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How do I increment data attributes(int) using jquery?

I want to add somethin y input in my ol, i do it,
when i write something in input filed and click add
i create li, then i want to add to li data attribute
which will increment, when will create new li in the picture there is a code[1]: https://i.stack.imgur.com/oAr6V.png
this is what i tried so far (data-id is not adding to newlt created li's):-
$(".add").click(function() {
var $val = $(".taskk");
var value = $val.val();
if(value === "") {
$(".error").text("Fill in the task");
} else {
$(".error").text("");
var newLi = $('<li>' + value + '</li>');
$('.toDo ol').append((newLi));
/*newLi.each(function() {
$(this).attr("data-id", i++);
console.log(i++);
$('.toDo ol').append((newLi));
});
$('.toDo ol').append((newLi)); */
}
})
body {
background-color: #34545E;
}
.wrapper {
max-width: 1200px;
width: 100%;
margin: auto;
}
.flexbox {
display: flex;
justify-content: space-between;
margin-top: 100px;
}
.box {
min-width: 280px;
min-height: 250px;
border: 2px solid transparent;
background-color: grey;
}
h1 {
text-align: center;
background-color: aliceblue;
padding: 5px;
}
form {
display: flex;
flex-direction: column;
margin-top: 40px;
}
input[type="text"] {
height: 80px;
}
input[type="button"], button {
padding: 10px;
width: 100px;
margin-top: 20px;
background-color: #000;
border: 1px solid transparent;
color: #fff;
font-weight: bold;
cursor: pointer;
}
ol {
list-style-position: inside;
}
ol li {
padding: 7px;
margin-top: 2px;
word-wrap: break-word;
}
.toDo ol li {
background-color: #ffffff;
}
.compl ol li {
background-color: #F35369;
}
.draft ol li {
background-color: #ffffff;
color: grey;
opacity: 0.8;
text-decoration: line-through;
}
.delete {
background-color: #000000;
}
.error {
padding-top: 20px;
color: red;
}
.add {
padding: 20px;
background-color: black;
margin-top: 20px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="wrapper">
<div class="flexbox">
<div class="box1">
<h1>To do list</h1>
<div class="box toDo">
<ol>
</ol>
</div>
</div>
<div class="box2">
<h1>Drafts</h1>
<div class="box draft">
<ol>
</ol>
</div>
<button type="submit">Delete</button>
</div>
<div class="box3">
<h1>Add a task</h1>
<div class="box">
<p class="error"></p>
<form action="" method="post">
<input type="text" name="name" placeholder="Description" class="taskk">
<input type="button" name="add" value="Add task" class="add">
</form>
</div>
</div>
</div>
</div>

You can do it like below:-
check pre-existing li length and add 1 to it and add it as data-id of newly created li
var newLi = $('<li data-id="'+($('li').length+1)+'">' + value + '</li>');// check pre-existing `li` length and add 1 to it and add it as data-id of newly created `li`
Working snippet:-
$(".add").click(function() {
var $val = $(".taskk");
var value = $val.val();
if(value === "") {
$(".error").text("Fill in the task");
} else {
$(".error").text("");
var newLi = $('<li data-id="'+($('li').length+1)+'">' + value + '</li>');
$('.toDo ol').append((newLi));
}
});
body {
background-color: #34545E;
}
.wrapper {
max-width: 1200px;
width: 100%;
margin: auto;
}
.flexbox {
display: flex;
justify-content: space-between;
margin-top: 100px;
}
.box {
min-width: 280px;
min-height: 250px;
border: 2px solid transparent;
background-color: grey;
}
h1 {
text-align: center;
background-color: aliceblue;
padding: 5px;
}
form {
display: flex;
flex-direction: column;
margin-top: 40px;
}
input[type="text"] {
height: 80px;
}
input[type="button"], button {
padding: 10px;
width: 100px;
margin-top: 20px;
background-color: #000;
border: 1px solid transparent;
color: #fff;
font-weight: bold;
cursor: pointer;
}
ol {
list-style-position: inside;
}
ol li {
padding: 7px;
margin-top: 2px;
word-wrap: break-word;
}
.toDo ol li {
background-color: #ffffff;
}
.compl ol li {
background-color: #F35369;
}
.draft ol li {
background-color: #ffffff;
color: grey;
opacity: 0.8;
text-decoration: line-through;
}
.delete {
background-color: #000000;
}
.error {
padding-top: 20px;
color: red;
}
.add {
padding: 20px;
background-color: black;
margin-top: 20px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="wrapper">
<div class="flexbox">
<div class="box1">
<h1>To do list</h1>
<div class="box toDo">
<ol>
</ol>
</div>
</div>
<div class="box2">
<h1>Drafts</h1>
<div class="box draft">
<ol>
</ol>
</div>
<button type="submit">Delete</button>
</div>
<div class="box3">
<h1>Add a task</h1>
<div class="box">
<p class="error"></p>
<form action="" method="post">
<input type="text" name="name" placeholder="Description" class="taskk">
<input type="button" name="add" value="Add task" class="add">
</form>
</div>
</div>
</div>
</div>

dynamic html element issue

when one of menus is chosen and option in select tag, apply button can be worked to be placed to be dynamic html element in Panel below. when a user clicks cancel button, that dynamic html element will be deleted.
As for an issue, when a user chooses one menu, dynamic html element will be redundantly placed to be in panels.
For example,
apply menu 2 > create dynamic html element in panel of menu2 > cancel menu 2 > apply menu other menu (3 or 1) > redundantly create dynamic html elements in previous panel of menu 2 and current panel of menu.
How am I able to completely delete dynamic html element when I click cancel button??
$(function() {
$(".section4 ul li:first-child").addClass("on");
//section4 ul li on
$("section.section4 ul li").click(function() {
$(this).addClass("on");
$("section.section4 ul li.on").not(this).removeClass("on");
});
// panel
$(".PaNel").hide();
$(".PaNel:eq(0)").show();
//addEventListner
$(".section4 ul li").click(function() {
$(".PaNel").hide();
$("#tab" + ($(this).index() + 1)).show();
});
//메뉴 선택
$(".section2").find("article").click(function() {
$(this).addClass("On");
$("article.On").not(this).removeClass("On");
});
//비활성신청
$(".btn2").css({
"display": "none"
});
//상단 메뉴
$("article").click(function() {
if ($(this).hasClass("On") && $("#menuSelect option:selected").index() > 0) {
$(".btn1").css({
"background": "red"
});
//$(".btn2").css({"display":"block"});
} else {
$(".btn1").css({
"display": "block"
});
$(".btn2").css({
"display": "none"
});
}
});
// while article is clicked, menuSelect.index() > 0
$("body").click(function() {
if ($("article").hasClass("On")) {
if ($("#menuSelect option:selected").index() > 0) {
$(".btn1").css({
"display": "none"
});
$(".btn2").css({
"display": "block"
});
}
}
})
$(".area_popup").addClass("none")
$(".end").addClass("none");
$(".section2").children("article").one("click", function() {
console.log($(this).index())
var target = $("#tab" + $(this).index())
$("#Apply").click(function() {
var menuSelect = document.getElementById("menuSelect");
//console.log(menuSelect);
switch (menuSelect.value) {
case "a":
case "b":
case "c":
case "d":
target.find(".Apply_Check").append("<div class='User'>" + menuSelect.value + "</div>");
break;
}
$(".end").removeClass("none");
$("#Apply").addClass("none");
//alert("신청 완료 되었습니다")
})
})
$(document).on("click", '.end', function() {
//본인꺼만
$(".User").remove();
$(".end").addClass("none");
$("#Apply").removeClass("none");
});
$("article").click(function() {
if (parseInt($(this).find("span").text()) == 0) {
//$(".button").css({"display":"none"});
//$(".btn1,.btn2, .end").css({"display":"none"})
//$(".btn4").css({"display":"block"});
$(".area_popup3").css({
"display": "block"
});
} else {
//$(".button").css({"display":"block"});
//$(".btn4").css({"display":"none"});
}
});
//메뉴 하$(단 클릭시 섹션 2 남은 수량이 없는 경우
$(".section4 ul").children("li").click(function() {
var article = $('article:eq(' + $(this).index() + ')')
if (parseInt(article.find("span").text()) == 0) {
$(".area_popup3").css({
"display": "block"
});
}
})
$("body").click(function(e) {
if ($("#menuSelect option:selected").index() == 0) {
$(".btn1").css({
"display": "block"
});
$(".btn2").css({
"display": "none"
});
}
})
});
function fn_popup_close(name) {
//$('body').removeClass('fixed');
//body class removeClass
$('.' + name).hide();
}
function fn_popup_open(name) {
//$('body').addClass('fixed');
$('.' + name).show();
}
/*//////////////////reset//////////////////////////////////////*/
* {
margin: 0;
padding: 0;
}
body,
header,
footer,
section,
nav,
article,
figure,
aside,
details,
main {
margin: 0;
padding: 0;
}
header,
footer,
section,
nav,
article,
figure,
aside,
details,
main {
display: block;
}
a:link,
a:visited {
color: #000;
text-decoration: none;
}
/*a:hover, a:focus{color:#aaa; text-decoration:none;}*/
body {
color: #333;
}
li {
list-style: none;
}
input[type="button"] {
cursor: pointer;
}
input[type=button],
select {
border-radius: 0;
appearance: none;
-webkit-appearance: none;
-moz-appearance: none;
}
/*//////////////////reset//////////////////////////////////////*/
#wrap {
max-width: 100%;
margin: 0 auto;
}
/*//////////////section1/////////////////////////////////////*/
section.section1 {
width: 100%;
/*background:#F87141;*/
}
section.section1 .screen_info {
width: 100%;
overflow: hidden;
}
section.section1 .screen_info ul {
width: 300%;
overflow: hidden;
}
section.section1 .screen_info ul li {
width: 31.63%;
float: left;
padding: 10px 1% 10px .7%;
}
/*//////////////section2/////////////////////////////////////*/
section.section2 {
width: 100%;
overflow: hidden;
border: 1px solid #ccc;
border-width: 1px 0;
}
section.section2 h3 {
width: 100%;
height: 50px;
line-height: 50px;
border-bottom: 1px solid #ccc;
text-indent: 2%;
}
section.section2 article {
width: 31.33%;
padding-left: 2%;
height: 100px;
float: left;
}
section.section2 article div {
border-right: 1px solid #ccc;
}
.On {
background: #d4dbdd;
}
/*section.section2 article:last-child{border-right:none;}*/
section.section2 article h2 {
width: 100%;
height: 30px;
font-size: 14px;
line-height: 30px;
}
section.section2 article p.FoodName {
width: 100%;
height: 40px;
line-height: 40px;
text-align: center;
font-weight: 900;
font-size: 20px;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
section.section2 article p.FoodCnt {
width: 90%;
height: 30px;
line-height: 30px;
text-align: right;
font-size: 13px;
}
/*//////////////section2/////////////////////////////////////*/
/*//////////////section3/////////////////////////////////////*/
section.section3 {
width: 100%;
padding-top: 30px;
}
section.section3 .Select {
border-top: 1px solid #ccc;
position: relative;
}
.Select {
display: block;
content: "";
clear: both;
}
section.section3 .Select p.Selected {
height: 40px;
line-height: 40px;
border-bottom: 1px solid #ccc;
}
section.section3 .Select p {
font-weight: 900;
text-indent: 9%;
}
section.section3 .Select p.Selected span {
cursor: pointer;
position: absolute;
right: 20px;
top: 4px;
}
section.section3 .Select p.Selected span img {
width: 10px;
}
.selection {
border-bottom: 1px solid #ccc;
}
/*.on{background:#ccc;}*/
section.section3 select {
width: 100%;
height: 30px;
background: #ECEFF0;
border: 1px solid #ccc;
border-width: 1px 0;
}
select#menuSelect::-ms-expand {
display: none;
}
/*IE*/
select#menuSelect {
appearance: none;
-webkit-appearance: none;
/*for chrome*/
-moz-appearance: none;
/*for firefox*/
background: url(./images/next_shadow.png) no-repeat right;
background-position-x: 97%;
background-size: 14px 24px;
text-indent: 2%;
}
section.section3 p.Avail_time {
width: 95%;
text-align: right;
line-height: 30px;
height: 30px;
padding-right: 5%;
}
section.section3 p input[type=button] {
width: 100%;
border: 1px solid #ccc;
border-width: 1px 0;
background: #F87141;
height: 40px;
color: #fff;
}
section.section3 p.btn1 input[type=button] {
background: #aaa;
}
section.section3 p.end input[type=button] {
background: #aaa;
}
.none {
display: none;
}
/*//////////////section3/////////////////////////////////////*/
/*//////////////section4/////////////////////////////////////*/
section.section4 {
padding-top: 30px;
}
section.section4 ul {
width: 100%;
overflow: hidden;
border: 1px solid #ccc;
border-width: 1px 0;
}
section.section4 ul li {
width: 25%;
height: 30px;
line-height: 30px;
float: left;
font-weight: 900;
font-size: 13px;
text-align: center;
background: #fff;
}
section.section4 ul li a {
display: block;
border-right: 1px solid #ccc;
}
.on>a {
background: #aaa;
color: #fff;
}
section.section4 ul li:last-child a {
border: none;
}
section.section4 .memo {
width: 100%;
}
section.section4 .memo input {
width: 100%;
}
section.section4 article.PaNel {
width: 98%;
padding-left: 2%;
height: 400px;
}
.Apply_Check {
width: 100%;
}
.Apply_Check p.Count {
width: 100%;
height: 50px;
line-height: 50px;
font-weight: 900;
}
#tab4 {
padding: 10px;
}
#tab4 p {
padding-bottom: 20px;
}
/*//////////////dynamic HTML Element ////////////////////////////////////*/
.User {
width: 100%;
height: 50px;
background: #aaa;
}
/*//////////////dynamic HTML Element ////////////////////////////////////*/
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
<section class="section2">
<h3>choose menu</h3>
<article>
<div>
<h2>menu 1.</h2>
</div>
</article>
<article class="scene_two">
<div>
<h2>menu 2.</h2>
</div>
</article>
<article class="scene_three">
<div>
<h2>menu 3.</h2>
</div>
</article>
</section>
<section class="section3">
<select id="menuSelect">
<option value="menu" selected="selected">choose one</option>
<option value="a">a</option>
<option value="b">b</option>
<option value="c">c</option>
<option value="d">d</option>
</select>
<!--<div class="Select">
<p class="Selected" id="reasonSelect" onclick="result();">신청사유 선택<span><img src="./images/next_shadow.png" alt="arrow"/></span></p>
<div class="selection">
<p>외근/출장</p>
<p>당직</p>
<p>당직</p>
<p>기타</p>
</div>
</div>-->
<p class="btn1 button"><input type="button" value="apply" /></p>
<p class="btn2 button"><input type="button" value="apply" id="Apply" /></p>
<p class="end button"><input type="button" value="cancel" onclick="fn_popup_open('area_popup')" /></p>
<!--<p class="btn4 button"><input type="button" value="신청 마감" onclick="fn_popup_open('area_popup')"/></p>-->
<!--<select>
<option>dd</option>
<option>dd</option>
<option>dd</option>
<option>ddd</option>
</select>-->
</section>
</section>
<section class="section4">
<ul>
<li>menu1</li>
<li class="scene_two">menu2</li>
<li class="scene_three">menu3</li>
<li>info</li>
</ul>
<article class="PaNel" id="tab1">
<div class="Apply_Check">
<p class="Count">Panel <span id="ppl1">1</span></p>
</div>
</article>
<article class="PaNel" id="tab2">
<div class="Apply_Check">
<p class="Count">Panel <span id="ppl2">2</span></p>
</div>
</article>
<article class="PaNel" id="tab3">
<div class="Apply_Check">
<p class="Count">Panel <span id="ppl3">3</span></p>
</div>
</article>
<article class="PaNel" id="tab4">
information
</article>
</section>
</div>

You could use JQuery's empty command, it removes all child elements from the parent element
$("#parent").empty()

why cannot read property 'top' of undefined?

I have a web page with sticky navbar fixed top and structure of sticky navbar and my sticky navbar structure is
$(function() {
$(window).scroll(function() {
if ($(window).scrollTop() > $(".b").offset().top + $(".b").height() && $("input").val() == "") {
$(".sticky").show();
} else {
$(".sticky").hide();
}
});
});
.container {
width: 1020px;
margin: 0 auto;
}
.container>div {
width: 100%;
height: 300px;
background: #f0f0f0;
border: 1px solid #ccc;
margin: 100px 0;
}
.a:after {
content: "A";
font-size: 250px;
text-align: center;
line-height: 300px;
display: block;
color: #999;
}
.b:after {
content: "B";
font-size: 250px;
text-align: center;
line-height: 300px;
display: block;
color: #999;
}
.c:after {
content: "C";
font-size: 250px;
text-align: center;
line-height: 300px;
display: block;
color: #999;
}
ul.sticky {
list-style-type: none;
padding: 0;
margin: 0;
position: fixed;
top: 0;
left: 0;
width: 100%;
background: #f0f0f0;
height: 50px;
border-bottom: 5px solid #ccc;
display: none;
}
ul.sticky:after,
ul.sticky:before {
content: "";
display: table;
clear: both;
}
ul.sticky li a {
display: block;
float: left;
line-height: 50px;
padding: 0 30px;
text-decoration: none;
color: #999;
}
ul.sticky li a:hover {
background: #999;
color: #f0f0f0;
}
<ul class="sticky">
<li>Home
</li>
<li>About Us
</li>
<li>Download
</li>
<li>Forums
</li>
<li>Contact
</li>
</ul>
<div class="container">
<input type="text" class="input">
<div class="a"></div>
<div class="b"></div>
<div class="c"></div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
click to see on codepen
and my question is if I'm not putting my .sticky element another pages javascript notifier give me this error and I am not gonna put my .sticky element every page what do I have to do ?
click to see real demo
click to see getting error

You get this error beacause jQuery did not find the element .hotel-search-box in your website.
Javascript
$(function() {
$(window).scroll(function() {
if (!$(".hotel-search-box").length) {
return false; //Check if the element exist
}
if($(window).scrollTop() > $(".hotel-search-box").offset().top+$(".hotel-search-box").height() && $(".oda-giris-cikis").val() == ""){
$(".sticky-checkin").show();
}else{
$(".sticky-checkin").hide();
}
});
});
To fix your probleme add a .hotel-search-box element in your page where you want to show your sticky menu.

Editing html+css+js for a drop down nav bar

I found perfect code for drop down nav bar. But I'm stuck trying to edit it for my needs. Original complete code is situated here: https://github.com/vandoan/Elli/blob/master/dropDownNav.html
And how it looks: http://codepen.io/Xia-lj/pen/KdKOxw
HTML:
<div id="topbar">
<div id="logo">LOGO</div>
<div id="sections_btn_holder">
<button onclick="toggleNavPanel('sections_panel')">Navigator <span id="navarrow">▾</span></button>
</div>
<div id="sections_panel">
<div>
Try adding things like more child div containers, links, buttons, menus, pictures, paragraphs, videos, etc...
</div>
</div>
</div>
CSS:
body {
margin: 0px;
background: #999;
}
div#topbar {
background: -webkit-linear-gradient(#666, #000);
background: linear-gradient(#666, #000);
height: 60px;
}
div#topbar > #logo {
float: left;
width: 140px;
height: 35px;
margin: 8px 0px 0px 30px;
font-size: 36px;
color: #999;
}
div#topbar > #sections_btn_holder {
float: left;
width: 144px;
height: 46px;
padding-top: 16px;
}
div#topbar > #sections_btn_holder > button {
background: #F90;
}
div#topbar > #sections_panel {
position: absolute;
height: 0px;
width: 550px;
background: #000;
top: 60px;
left: 160px;
border-radius: 0px 0px 8px 8px;
overflow: hidden;
z-index: 10000;
transition: height 0.3s linear 0s;
}
div#topbar > #sections_panel > div {
background: #333;
padding: 20px;
height: 238px;
margin: 10px;
color: #FC0;
}
JS:
function toggleNavPanel(x) {
var panel = document.getElementById(x),
navarrow = document.getElementById("navarrow"),
maxH = "300px";
if (panel.style.height == maxH) {
panel.style.height = "0px";
navarrow.innerHTML = "▾";
} else {
panel.style.height = maxH;
navarrow.innerHTML = "▴";
}
}
What I'm trying to get: drop down nav bar like in example, but with three buttons "History", "Philosophy", "Physics". And each of this three sections must contain few books' names, e.g:
History:-
The History of Herodotus.
Titus Livius. The History of Rome.
Ivan Krypiakevych. The Great History of Ukraine.
"Philosophy":-
Works by Plato.
Nicomachean Ethics By Aristotle.
Fables And Aphorisms by Hryhorii Skovoroda.
"Physics":-
Stephen Hawking. A Brief History of Time.
Yakov Perelman. Physics for Entertainment.
I would be grateful to hear from anyone who may be able to help. I'm new in Web-development.

How about something like this CodePen which is same example you provided just a bit modified on the HTML and CSS parts, inside div#sections_panel I've added 3 divs - you mentioned 3 sections in the question - with a .sub_sections class name.
function toggleNavPanel(x) {
var panel = document.getElementById(x),
navarrow = document.getElementById("navarrow"),
maxH = "300px";
if (panel.style.height == maxH) {
panel.style.height = "0px";
navarrow.innerHTML = "▾";
} else {
panel.style.height = maxH;
navarrow.innerHTML = "▴";
}
}
body {
margin: 0px;
background: #999;
}
div#topbar {
background: -webkit-linear-gradient(#666, #000);
background: linear-gradient(#666, #000);
height: 60px;
}
div#topbar > #logo {
float: left;
width: 140px;
height: 35px;
margin: 8px 0px 0px 30px;
font-size: 36px;
color: #999;
}
div#topbar > #sections_btn_holder {
float: left;
width: 144px;
height: 46px;
padding-top: 16px;
}
div#topbar > #sections_btn_holder > button {
background: #F90;
}
div#topbar > #sections_panel {
position: absolute;
height: 0px;
width: 550px;
background: #000;
top: 60px;
padding:0 10px;
left: 160px;
border-radius: 0px 0px 8px 8px;
overflow: hidden;
z-index: 10000;
transition: height 0.3s linear 0s;
}
div#topbar > #sections_panel > .sub_sections {
background: #333;
padding: 10px;
height: 258px;
margin:10px 2px 0 0;
color: #FC0;
width:calc(31% - 10px);
display:inline-block;
float:left;
}
#sections_panel > .sub_sections > a{
color:#EEE;
display:block;
padding:10px 5px;
text-decoration:none;
border-bottom:1px dotted #666;
}
#sections_panel > .sub_sections > a:hover{
color:#333;
background-color:orange;
}
#sections_panel > .sub_sections > h3{
color:orange;
text-align:center;
padding-bottom:5px;
border-bottom:1px #222 solid;
}
<div id="topbar">
<div id="logo">LOGO</div>
<div id="sections_btn_holder">
<button onclick="toggleNavPanel('sections_panel')">Navigator <span id="navarrow">▾</span></button>
</div>
<div id="sections_panel">
<div class="sub_sections">
<h3>Search Engines</h3>
Google
Yahoo!
Bing
</div>
<div class="sub_sections">
<h3>Social Networks</h3>
Facebook
Twitter
</div>
<div class="sub_sections">
<h3>Video Networks</h3>
Youtube
Vimeo
</div>
</div>
</div>

try this......
Html
<div id="topbar">
<div id="logo">LOGO</div>
<div id="sections_btn_holder">
<button onclick="toggleNavPanel('The History of Herodotus,Titus Livius. The History of Rome,Ivan Krypiakevych. The Great History of Ukraine','sections_panel')">History <span id="navarrow">▾</span></button>
<button onclick="toggleNavPanel('Works by Plato,Nicomachean Ethics By Aristotle,Fables And Aphorisms by Hryhorii Skovoroda','sections_panel')">Philosophy <span id="navarrow">▾</span></button>
<button onclick="toggleNavPanel('Stephen Hawking. A Brief History of Time,Yakov Perelman. Physics for Entertainment','sections_panel')">Physics <span id="navarrow">▾</span></button>
</div>
<div id="sections_panel">
<div>
</div>
</div>
</div>
CSS
body {
margin: 0px;
background: #999;
}
div#topbar {
background: -webkit-linear-gradient(#666, #000);
background: linear-gradient(#666, #000);
height: 60px;
}
div#topbar > #logo {
float: left;
width: 140px;
height: 35px;
margin: 8px 0px 0px 30px;
font-size: 36px;
color: #999;
}
div#topbar > #sections_btn_holder {
float: left;
width: auto;
height: 46px;
padding-top: 16px;
}
div#topbar > #sections_btn_holder > button {
background: #F90;
}
div#topbar > #sections_panel {
position: absolute;
height: 0px;
width: 550px;
background: #000;
top: 60px;
left: 160px;
border-radius: 0px 0px 8px 8px;
overflow: hidden;
z-index: 10000;
transition: height 0.3s linear 0s;
}
div#topbar > #sections_panel > div {
background: #333;
padding: 20px;
height: 238px;
margin: 10px;
color: #FC0;
}
JS
function toggleNavPanel(text,x) {
var panel = document.getElementById(x),
navarrow = document.getElementById("navarrow"),
maxH = "300px";
var books=text.split(",");
var html='';
for(var i=0; i<books.length; i++){
html+=(i+1)+") "+books[i]+"<br/>";
}
if (panel.style.height == maxH) {
panel.style.height = "0px";
panel.innerHTML="";
navarrow.innerHTML = "▾";
} else {
panel.style.height = maxH;
panel.innerHTML="<div>"+html+"</div>";
navarrow.innerHTML = "▴";
}
}

are you looking for something like http://codepen.io/fwpolice/pen/pqlgy
jQuery(document).ready(function (e) {
function t(t) {
e(t).bind("click", function (t) {
t.preventDefault();
e(this).parent().fadeOut()
})
}
e(".dropdown-toggle").click(function () {
var t = e(this).parents(".button-dropdown").children(".dropdown-menu").is(":hidden");
e(".button-dropdown .dropdown-menu").hide();
e(".button-dropdown .dropdown-toggle").removeClass("active");
if (t) {
e(this).parents(".button-dropdown").children(".dropdown-menu").toggle().parents(".button-dropdown").children(".dropdown-toggle").addClass("active")
}
});
e(document).bind("click", function (t) {
var n = e(t.target);
if (!n.parents().hasClass("button-dropdown")) e(".button-dropdown .dropdown-menu").hide();
});
e(document).bind("click", function (t) {
var n = e(t.target);
if (!n.parents().hasClass("button-dropdown")) e(".button-dropdown .dropdown-toggle").removeClass("active");
})
});
body {
background-color: #eee;
text-align: center;
padding-top: 50px;
}
.nav {
display: block;
font: 13px Helvetica, Tahoma, serif;
text-transform: uppercase;
margin: 0;
padding: 0;
}
.nav li {
display: inline-block;
list-style: none;
}
.nav .button-dropdown {
position: relative;
}
.nav li a {
display: block;
color: #333;
background-color: #fff;
padding: 10px 20px;
text-decoration: none;
}
.nav li a span {
display: inline-block;
margin-left: 5px;
font-size: 10px;
color: #999;
}
.nav li a:hover, .nav li a.dropdown-toggle.active {
background-color: #289dcc;
color: #fff;
}
.nav li a:hover span, .nav li a.dropdown-toggle.active span {
color: #fff;
}
.nav li .dropdown-menu {
display: none;
position: absolute;
left: 0;
padding: 0;
margin: 0;
margin-top: 3px;
text-align: left;
}
.nav li .dropdown-menu.active {
display: block;
}
.nav li .dropdown-menu a {
width: 150px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul class="nav">
<li>
<a href="#">
No dropdown
</a>
</li>
<li class="button-dropdown">
<a href="javascript:void(0)" class="dropdown-toggle">
Dropdown 1 <span>▼</span>
</a>
<ul class="dropdown-menu">
<li>
<a href="#">
Drop Item 1
</a>
</li>
<li>
<a href="#">
Drop Item 2
</a>
</li>
<li>
<a href="#">
Drop Item 3
</a>
</li>
</ul>
</li>
<li>
<a href="#">
No dropdown
</a>
</li>
<li class="button-dropdown">
<a href="javascript:void(0)" class="dropdown-toggle">
Dropdown 2 <span>▼</span>
</a>
<ul class="dropdown-menu">
<li>
<a href="#">
asdf
</a>
</li>
</ul>
</li>
</ul>
<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>

Maybe this toolbar is one for you:
http://w2ui.com/web/demo/toolbar

How to add text in the data attribute using jQuery?

Look at my fiddle code:
http://jsfiddle.net/hassaan39/0kourse6/
* {
margin: 0px;
padding: 0px;
box-sizing: border-box;
}
.pin_head {
background: #eee;
}
.pin_head:after {
content: "";
display: block;
clear: both;
height: 0;
}
.pin_head > div {
float: left;
margin-left: -1px;
border-left: 1px solid #ddd;
}
.pin_head > div strong {
font-size: 13px;
padding: 0 10px;
line-height: 50px;
display: block;
}
.pin_head > div.pin_id strong {
line-height: 50px;
padding: 0;
text-align: center;
}
.pin_head > div.pin_id {
margin: 0;
border-left: 0px none;
}
.pin_id {
width: 7%;
border-left: 0px none;
}
.pin_pro {
width: 14%;
}
.pin_date {
width: 7%;
}
.pin_fname {
width: 12%;
}
.pin_lname {
width: 12%;
}
.pin_email {
width: 11%;
}
.pin_phone {
width: 11%;
}
.pin_pass {
width: 20%;
}
.pin_lists ul {
padding: 0;
margin: 0;
}
.pin_lists ul li {
list-style: none;
border-bottom: 1px solid #ddd;
overflow: hidden;
}
.pin_lists ul li:last-child {
border-bottom: 0px none;
}
.pin_lists ul li:nth-child(even) {
background: #fdfbfc;
}
.pin_lists ul li:after {
content: "";
display: block;
clear: both;
height: 0;
}
.pin_lists ul li > div {
float: left;
margin-left: -1px;
border-left: 1px solid #ddd;
padding: 7px 5px;
min-height: 77px;
word-wrap: break-word;
margin-bottom: -99999px;
padding-bottom: 100004px;
}
.pin_delete {
width: 6.7%;
}
.pin_delete a {
display: block;
text-transform: uppercase;
text-align: center;
line-height: 44px;
font-weight: bold;
}
.pin_lists ul li .pin_id {
font-weight: bold;
line-height: 44px;
text-align: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div class="pin_head">
<div class="pin_id"><strong>Order ID</strong>
</div>
<div class="pin_pro"><strong>Product Name</strong>
</div>
<div class="pin_date"><strong>Dated</strong>
</div>
<div class="pin_fname"><strong>First Name</strong>
</div>
<div class="pin_lname"><strong>Last Name</strong>
</div>
<div class="pin_email"><strong>Email</strong>
</div>
<div class="pin_phone"><strong>Phone</strong>
</div>
<div class="pin_pass"><strong>Password</strong>
</div>
</div>
<div class="pin_lists">
<ul>
<li>
<div class="pin_id" data-col="Order ID">654</div>
<div class="pin_pro" data-col="Product Name">Low Voltage</div>
<div class="pin_date" data-col="Dated">2015-08-07</div>
<div class="pin_fname" data-col="First Name">John</div>
<div class="pin_lname" data-col="Last Name">Tait</div>
<div class="pin_email" data-col="Email">johnson#mail.com</div>
<div class="pin_phone" data-col="Phone">123-456-789</div>
<div class="pin_pass" data-col="Password">passcode</div>
<div class="pin_delete" data-col="Change Record">Edit
</div>
</li>
<li>
<div class="pin_id" data-col="Order ID">654</div>
<div class="pin_pro" data-col="Product Name">Low Voltage</div>
<div class="pin_date" data-col="Dated">2015-08-07</div>
<div class="pin_fname" data-col="First Name">John</div>
<div class="pin_lname" data-col="Last Name">Tait</div>
<div class="pin_email" data-col="Email">johnson#mail.com</div>
<div class="pin_phone" data-col="Phone">123-456-789</div>
<div class="pin_pass" data-col="Password">passcode</div>
<div class="pin_delete" data-col="Change Record">Edit
</div>
</li>
</ul>
</div>
I want to add text from (pin_head > div) in (.pin_lists li) data-col, using .each() function jQuery. I am here hard coding the values.
Please assist me the good road. :)
I am new in jQuery.

I suppose you want the header of each column to be the attribute data-col for each cell.
You can do something like this:
$(document).ready(function() {
var list = $('.pin_lists li');
$('.pin_head div').each(function(item) {
var _this = this;
list.each(function(element) {
$($(this).children()[item]).attr('data-col', $(_this).find('strong').text())
})
})
})
* {
margin: 0px;
padding: 0px;
box-sizing: border-box;
}
.pin_head {
background: #eee;
}
.pin_head:after {
content: "";
display: block;
clear: both;
height: 0;
}
.pin_head > div {
float: left;
margin-left: -1px;
border-left: 1px solid #ddd;
}
.pin_head > div strong {
font-size: 13px;
padding: 0 10px;
line-height: 50px;
display: block;
}
.pin_head > div.pin_id strong {
line-height: 50px;
padding: 0;
text-align: center;
}
.pin_head > div.pin_id {
margin: 0;
border-left: 0px none;
}
.pin_id {
width: 7%;
border-left: 0px none;
}
.pin_pro {
width: 14%;
}
.pin_date {
width: 7%;
}
.pin_fname {
width: 12%;
}
.pin_lname {
width: 12%;
}
.pin_email {
width: 11%;
}
.pin_phone {
width: 11%;
}
.pin_pass {
width: 20%;
}
.pin_lists ul {
padding: 0;
margin: 0;
}
.pin_lists ul li {
list-style: none;
border-bottom: 1px solid #ddd;
overflow: hidden;
}
.pin_lists ul li:last-child {
border-bottom: 0px none;
}
.pin_lists ul li:nth-child(even) {
background: #fdfbfc;
}
.pin_lists ul li:after {
content: "";
display: block;
clear: both;
height: 0;
}
.pin_lists ul li > div {
float: left;
margin-left: -1px;
border-left: 1px solid #ddd;
padding: 7px 5px;
min-height: 77px;
word-wrap: break-word;
margin-bottom: -99999px;
padding-bottom: 100004px;
}
.pin_delete {
width: 6.7%;
}
.pin_delete a {
display: block;
text-transform: uppercase;
text-align: center;
line-height: 44px;
font-weight: bold;
}
.pin_lists ul li .pin_id {
font-weight: bold;
line-height: 44px;
text-align: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="pin_head">
<div class="pin_id"><strong>Order ID</strong>
</div>
<div class="pin_pro"><strong>Product Name</strong>
</div>
<div class="pin_date"><strong>Dated</strong>
</div>
<div class="pin_fname"><strong>First Name</strong>
</div>
<div class="pin_lname"><strong>Last Name</strong>
</div>
<div class="pin_email"><strong>Email</strong>
</div>
<div class="pin_phone"><strong>Phone</strong>
</div>
<div class="pin_pass"><strong>Password</strong>
</div>
</div>
<div class="pin_lists">
<ul>
<li>
<div class="pin_id">654</div>
<div class="pin_pro">Low Voltage</div>
<div class="pin_date">2015-08-07</div>
<div class="pin_fname">John</div>
<div class="pin_lname">Tait</div>
<div class="pin_email">johnson#mail.com</div>
<div class="pin_phone">123-456-789</div>
<div class="pin_pass">passcode</div>
<div class="pin_delete">Edit
</div>
</li>
<li>
<div class="pin_id">654</div>
<div class="pin_pro">Low Voltage</div>
<div class="pin_date">2015-08-07</div>
<div class="pin_fname">John</div>
<div class="pin_lname">Tait</div>
<div class="pin_email">johnson#mail.com</div>
<div class="pin_phone">123-456-789</div>
<div class="pin_pass">passcode</div>
<div class="pin_delete">Edit
</div>
</li>
</ul>
</div>

Use the following jQuery to dynamically create the data-col elements on your li based on the contents of your pin_head div:
$(".pin_lists div").each(function() {
$(this).attr("data-col", $($(".pin_head").children()[$(this).index()]).find("strong").text());
});
Live Demo:
$(".pin_lists div").each(function() {
$(this).attr("data-col", $($(".pin_head").children()[$(this).index()]).find("strong").text());
});
* {
margin:0px;
padding:0px;
box-sizing:border-box;
}
.pin_head {
background: #eee;
}
.pin_head:after {
content:"";
display:block;
clear:both;
height:0;
}
.pin_head > div {
float:left;
margin-left:-1px;
border-left: 1px solid #ddd;
}
.pin_head > div strong {
font-size: 13px;
padding:0 10px;
line-height:50px;
display:block;
}
.pin_head > div.pin_id strong {
line-height: 50px;
padding: 0;
text-align: center;
}
.pin_head > div.pin_id {
margin:0;
border-left:0px none;
}
.pin_id {
width:7%;
border-left: 0px none;
}
.pin_pro {
width:14%;
}
.pin_date {
width:7%;
}
.pin_fname {
width:12%;
}
.pin_lname {
width:12%;
}
.pin_email {
width:11%;
}
.pin_phone {
width:11%;
}
.pin_pass {
width:20%;
}
.pin_lists ul {
padding:0;
margin:0;
}
.pin_lists ul li {
list-style:none;
border-bottom: 1px solid #ddd;
overflow:hidden;
}
.pin_lists ul li:last-child {
border-bottom:0px none;
}
.pin_lists ul li:nth-child(even) {
background: #fdfbfc;
}
.pin_lists ul li:after {
content:"";
display:block;
clear:both;
height:0;
}
.pin_lists ul li > div {
float:left;
margin-left:-1px;
border-left: 1px solid #ddd;
padding:7px 5px;
min-height:77px;
word-wrap:break-word;
margin-bottom: -99999px;
padding-bottom: 100004px;
}
.pin_delete {
width:6.7%;
}
.pin_delete a {
display:block;
text-transform:uppercase;
text-align:center;
line-height:44px;
font-weight:bold;
}
.pin_lists ul li .pin_id {
font-weight:bold;
line-height:44px;
text-align:center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="pin_head">
<div class="pin_id"><strong>Order ID</strong>
</div>
<div class="pin_pro"><strong>Product Name</strong>
</div>
<div class="pin_date"><strong>Dated</strong>
</div>
<div class="pin_fname"><strong>First Name</strong>
</div>
<div class="pin_lname"><strong>Last Name</strong>
</div>
<div class="pin_email"><strong>Email</strong>
</div>
<div class="pin_phone"><strong>Phone</strong>
</div>
<div class="pin_pass"><strong>Password</strong>
</div>
</div>
<div class="pin_lists">
<ul>
<li>
<div class="pin_id">654</div>
<div class="pin_pro">Low Voltage</div>
<div class="pin_date">2015-08-07</div>
<div class="pin_fname">John</div>
<div class="pin_lname">Tait</div>
<div class="pin_email">johnson#mail.com</div>
<div class="pin_phone">123-456-789</div>
<div class="pin_pass">passcode</div>
<div class="pin_delete">Edit
</div>
</li>
<li>
<div class="pin_id">654</div>
<div class="pin_pro">Low Voltage</div>
<div class="pin_date">2015-08-07</div>
<div class="pin_fname">John</div>
<div class="pin_lname">Tait</div>
<div class="pin_email">johnson#mail.com</div>
<div class="pin_phone">123-456-789</div>
<div class="pin_pass">passcode</div>
<div class="pin_delete">Edit
</div>
</li>
</ul>
</div>
That live demo produces this result:

In jQuery you can do something like this:
$("#yourElement").data("yourKeyName", "yourValue")
For additional information you can visit this site of the documentation

You could do something like this
var array = [];
$('.pin_head > div').each(function(index, obj) {
array[index] = $(this).text();
});
$('li>div').each(function(index, obj) {
var data = $(this).attr("data-col", array[index]);
});