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Modifying JS pager - how to substitute html elements using JQuery

Here is the initial code:
<div class="fs-table-table">
<div class="fs-table-row header">
<div class="fs-table-cell">
Course Name
</div>
<div class="fs-table-cell">
Lessons
</div>
</div>
<div id="fs-table-content">
</div>
</div>
Now the pager file calls:
$('#' + options.contentHolder).html(template(pager, options.template, options.currentData, options.startPage, options.perPage, options.alwaysShowPager, options.informationToShow, options.errorTemplate));
where contentHolder is 'fs-table-content', and it points to a template:
<script type="text/template" id="weeklyLessonTemplate">
<div class="fs-table-row">
<div class="fs-table-cell" data-title="Course Name">
##courseName##
</div>
<div class="fs-table-cell" data-title="Lesson">
<input type="radio" class="radio" name="weekly_lesson" value="##lessons##" />
<label for="##lessons##">##lessons##
</label>
</div>
</div>
</script>
and it yields:
<div class="fs-table-table">
<div class="fs-table-row header">
<div class="fs-table-cell">
Course Name
</div>
<div class="fs-table-cell">
Lessons
</div>
</div>
<div class="fs-table-row">
<div class="fs-table-cell" data-title="Course Name">
Art/Music/Social Media
</div>
<div class="fs-table-cell" data-title="Lesson">
<input type="radio" class="radio" name="weekly_lesson" value="What is art?">
<label for="What is art?">What is art?
</label>
</div>
</div>
</div>
So you see, calling the function "template" simply returns html code. Now, when I click on the next page number, I expect the html to change but it doesn't change, it stays the same because
<div id="fs-table-content">
</div>
has been replaced. How do I inject fs-table-content back into the code. It should be put in the page onclick code:
$('#' + pager).on('click', '.page, .last-page, .first-page, .next-pages, .prev-pages', function(e) {
var newPage = parseInt($(this).data('value'));
var perPage = parseInt($('#' + pager + ' .perPage').val());
$('#' + pager + ' .page.current').removeClass('current');
$('#' + pager + ' .page[data-value="' + newPage + '"]').addClass('current');
showProperPaging(pager, newPage, options.totalPages, options.pagesToShow);
$('#' + options.contentHolder).html(template(pager, options.template, options.currentData, newPage, perPage, options.alwaysShowPager, options.informationToShow, options.errorTemplate));
options.currentPage = newPage;
$('#' + pager).trigger("pagingChange");
});
I noticed that in the demo for the pager, they use the following line to change the html:
var showing = $('#' + templateToShow).html().format(data);
html += showing;
But my data is structured differently, I don't think I can use .format

The way this script has been designed is that you need to provide two separate divs (not nested within one another). One for your content and one of its content (where it places pagination, search .. etc).
So you can change your code to this for it work:
!function(a){function e(e,t,r,n,o,s,g){var p="",l=Math.ceil(t/r);p+='<div class="showing"></div>',p+='<div class="pager"><span class="first-page btn" data-value="1">First</span><span class="prev-page btn">Previous</span><span class="prev-pages btn" data-value="1">...</span><span class="page btn current" data-value="1">1</span>';for(var i=1;i<l;i++)p+='<span class="page btn" data-value="'+(i+1)+'">'+(i+1)+"</span>";p+='\t<span class="next-pages btn" data-value="6">...</span><span class="next-page btn">Next</span><span class="last-page btn" data-value="'+l+'">Last</span></div>',p+='<div class="options" style="text-align: center; margin-bottom: 10px;"><span>Show </span><select class="perPage">';for(i=0;i<n.length;i++)n[i]==r?p+='<option selected="selected">'+n[i]+"</option>":p+="<option>"+n[i]+"</option>";p+="\t</select><span> per page</span></div>",s&&(p+='<div class="searchBox"><input type="text" class="search" placeholder="Search" value="'+g+'" /></div>'),a("#"+e).html(p)}function t(e,t,r,n){1==t?a("#"+e).find(".prev-page").hide():a("#"+e).find(".prev-page").show(),t==r?a("#"+e).find(".next-page").hide():a("#"+e).find(".next-page").show();var o,s,g=n,p=Math.ceil(g/2),l=Math.floor(g/2);r<g?(o=0,s=r):t>=1&&t<=p?(o=0,s=g):t+l>=r?(o=r-g,s=r):(o=t-p,s=t+l),a("#"+e+" .pager").children().each(function(){a(this).hasClass("page")&&a(this).hide()});for(var i=o;i<s;i++)o>0?(a("#"+e+" .prev-pages").show(),a("#"+e+" .prev-pages").data("value",o)):a("#"+e+" .prev-pages").hide(),a("#"+e+" .page[data-value='"+(i+1)+"']").show(),s<r?(a("#"+e+" .next-pages").show(),a("#"+e+" .next-pages").data("value",s+1)):a("#"+e+" .next-pages").hide();1==r?a("#"+e+" .last-page, #"+e+" .first-page").hide():0==r?a("#"+e+" .pager, #"+e+" .showing, #"+e+" .options").hide():(a("#"+e+" .pager, #"+e+" .showing, #"+e+" .options").show(),a("#"+e+" .last-page, #"+e+" .first-page").show())}function r(e,t,r,n,o,s,g,p){var l="",i=n*o-(o-1),h=n*o>r.length?r.length:n*o;if(r.length<=0){if(""==p)l+='<div class="dataError">There is nothing to show here.</div>';else l+=a("#"+p).html().format(["There are no Messages to display."]);return s||a("#"+e).hide(),l}a("#"+e).show(),a("#"+e+" .showing").html("Showing "+i+" to "+h+" of "+r.length+" total.");for(var c=n*o-o;c<n*o&&c!=r.length;c++){var u=[];a.each(g,function(a,e){u.push(r[c][e])}),l+=a("#"+t).html().format(u)}return l}a.fn.extend({paging:function(n){var o={data:{},contentHolder:"",template:"",errorTemplate:"",informationToShow:[],informationToRefineBy:[],perPage:10,pageLengths:[5,10,20,30,40,50],startPage:1,pagesToShow:5,showOptions:!0,showSearch:!0,alwaysShowPager:!0},s={currentPage:o.startPage,totalPages:0,currentData:n.data,refine:""};n=a.extend(o,n),(n=a.extend(s,n)).totalPages=Math.ceil(n.currentData.length/n.perPage),function(n,o){o.totalPages;e(n,o.currentData.length,o.perPage,o.pageLengths,o.showOptions,o.showSearch,o.refine),t(n,o.startPage,o.totalPages,o.pagesToShow),a("#"+o.contentHolder).html(r(n,o.template,o.currentData,o.startPage,o.perPage,o.alwaysShowPager,o.informationToShow,o.errorTemplate)),a("#"+n).on("click",".page, .last-page, .first-page, .next-pages, .prev-pages",function(e){var s=parseInt(a(this).data("value")),g=parseInt(a("#"+n+" .perPage").val());a("#"+n+" .page.current").removeClass("current"),a("#"+n+' .page[data-value="'+s+'"]').addClass("current"),t(n,s,o.totalPages,o.pagesToShow),a("#"+o.contentHolder).html(r(n,o.template,o.currentData,s,g,o.alwaysShowPager,o.informationToShow,o.errorTemplate)),o.currentPage=s,a("#"+n).trigger("pagingChange")}),a("#"+n).on("click",".next-page",function(e){var s=o.currentPage+1,g=parseInt(a("#"+n+" .perPage").val());a("#"+n+" .page.current").removeClass("current"),a("#"+n+' .page[data-value="'+s+'"]').addClass("current"),t(n,s,o.totalPages,o.pagesToShow),a("#"+o.contentHolder).html(r(n,o.template,o.currentData,s,g,o.alwaysShowPager,o.informationToShow,o.errorTemplate)),o.currentPage=s,a("#"+n).trigger("pagingChange")}),a("#"+n).on("click",".prev-page",function(e){var s=o.currentPage-1,g=parseInt(a("#"+n+" .perPage").val());a("#"+n+" .page.current").removeClass("current"),a("#"+n+' .page[data-value="'+s+'"]').addClass("current"),t(n,s,o.totalPages,o.pagesToShow),a("#"+o.contentHolder).html(r(n,o.template,o.currentData,s,g,o.alwaysShowPager,o.informationToShow,o.errorTemplate)),o.currentPage=s,a("#"+n).trigger("pagingChange")}),a("#"+n).on("change",".perPage",function(s){var g=parseInt(a(this).val());e(n,o.data.length,g,o.pageLengths,o.showOptions,o.showSearch,o.refine),o.totalPages=Math.ceil(o.currentData.length/g),t(n,o.startPage,o.totalPages,o.pagesToShow),a("#"+o.contentHolder).html(r(n,o.template,o.currentData,o.startPage,g,o.alwaysShowPager,o.informationToShow,o.errorTemplate)),o.currentPage=o.startPage,a("#"+n).trigger("pagingChange")}),a("#"+n).on("keyup",".search",function(e){var s=parseInt(a("#"+n+" .perPage").val()),g=a(this).val();o.refine=g;var p=function(e,t,r){if(""==t)return;var n=t.toLowerCase();dataToKeep=[];for(var o=0;o<e.length;o++)a.each(r,function(a,t){if(null!=e[o][t]&&e[o][t].toLowerCase().indexOf(n)>=0)return dataToKeep.push(e[o]),!1});return dataToKeep}(o.data,g,o.informationToRefineBy);p||(p=o.data),o.currentData=p;var l=Math.ceil(o.currentData.length/s);o.totalPages=l,t(n,o.startPage,o.totalPages,o.pagesToShow),a("#"+o.contentHolder).html(r(n,o.template,o.currentData,o.startPage,s,o.alwaysShowPager,o.informationToShow,o.errorTemplate)),a("#"+n).trigger("pagingChange")}),a("#"+n).on("focusin",".search",function(){o.refineFocus=!0}),a("#"+n).on("focusout",".search",function(){o.refineFocus=!1})}(a(this).attr("id"),n)}})}(jQuery),String.prototype.format=function(){var a=arguments;return this.replace(/{(\d+)}/g,function(e,t){return void 0!==a[0][t]?a[0][t]:e})};
$(document).ready(function() {
var data = [{
"firstname": "John",
"lastname": "Smith"
}, {
"firstname": "Jane",
"lastname": "Doe"
}, {
"firstname": "James",
"lastname": "Smith"
}, {
"firstname": "Amanda",
"lastname": "Doe"
}, {
"firstname": "Billy",
"lastname": "Joe"
}];
$('#fs-table-table').paging({
data: data, //This is the data that is being used. It is using JSON data so you can pull from any source if you want.
contentHolder: 'fs-table-content', //The id for the area where you want the data to be displayed.
template: 'weeklyLessonTemplate', //The template that is being used to display the data.
errorTemplate: 'contentErrorTemplate', //The error template that is being used (optional)
informationToShow: ['firstname', 'lastname'], //The information that you want to show from the given data
informationToRefineBy: ['firstname', 'lastname'], //The information that you want to search on from the given data
perPage: 1, //Default number to show per page. (Since we have a small amount of data only show 1.)
pageLengths: [1, 2, 3, 4], //Options for number of items per page.
startPage: 1, //The default start page. (Better to leave as 1 but can be changed if desired).
pagesToShow: 4, //Number of pages to show at the top. If you have 10 pages it will show [...] when going above or below the this number.
showOptions: true, //Show the per page options.
showSearch: true, //Show the search bar.
alwaysShowPager: true //Show the pager even if there isn't any data. Should be true if showSearch is true otherwise there will be problems.
});
});
.pager span.current {
border: red;
border-radius: 5px;
font-weight: bold;
color: red;
}
.dataError {
width: 100%;
font-size: 20px;
text-align: center;
padding: 10px;
}
.searchBox {
width: 300px;
margin: 0 auto;
}
.searchBox .search {
width: 100%;
height: 30px;
}
.showing {
width: 100%;
text-align: center;
}
.dropdown:hover .dropdown-menu { display: block; }
.pager span {
border-radius: 5px;
border: #a6a6a8 1px solid;
padding: 5px 14px;
margin: 0 3px;
cursor: pointer;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
.pager span:hover { background-color: #ddd; }
.pager span.current:hover {
background-color: #fff;
cursor: default;
}
.pager {
padding-left: 0;
margin: 20px 0;
text-align: center;
list-style: none;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="fs-table-content"></div>
<div id="fs-table-table"></div>
<script type="text/template" id="weeklyLessonTemplate">
<div class="fs-table-row header">
<div class="fs-table-cell">
Course Name
</div>
<div class="fs-table-cell">
Lessons
</div>
</div>
<div id="fs-table-content">
<div class="fs-table-row">
<div class="fs-table-cell" data-title="Course Name">
{0}
</div>
<div class="fs-table-cell" data-title="Lesson">
<input type="radio" class="radio" name="weekly_lesson" value="{1}" />
<label for="{1}">{1}</label>
</div>
</div>
</div>
</script>

Filter works not excluding results

I have simple js filter that you can see here: http://jsfiddle.net/qyy810xx/
So i've stucked with separation of filter's results. I mean that i need to have this:
1) If checked category A, we can see div class="categorya" only;
2) If checked category B, we can see div class="categoryb" only;
3) If checked category A and category B, we can see div class="categorya categoryb" only
I'm not very good at jquery, so this will be fine if you offer any solution.
Thank you!
$("#filters :checkbox").click(function() {
var re = new RegExp($("#filters :checkbox:checked").map(function() {
return this.value;
}).get().join("|"));
$("div.bankomat-f").each(function() {
var $this = $(this);
$this[re.source != "" && re.test($this.attr("class")) ? "show" : "hide"]();
});
});
.categorya,
.categoryb,
.categoryrko,
.categoryab,
.categorybb,
.categoryrkob {
width: 30px;
height: 20px;
line-height: 20px;
text-align: center;
background: red;
margin: 10px;
float: left;
font-size: 11px;
color: white;
font-family: sans-serif;
}
.categoryb,
.categorybb {
background: blue;
}
.categorya.categoryb {
background: purple;
}
#filters-b {
display: inline-box;
float: left;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul id="filters">
<li>
<input type="checkbox" value="categorya" id="filter-categorya" />
<label for="filter-categorya">Category A</label>
</li>
<li>
<input type="checkbox" value="categoryb" id="filter-categoryb" />
<label for="filter-categoryb">Category B</label>
</li>
<li>
<input type="checkbox" value="categoryrko" id="filter-categoryrko" />
<label for="filter-categoryrko">RKO</label>
</li>
</ul>
<div class="bankomat-f categorya categoryb">A, B</div>
<div class="bankomat-f categorya">A</div>
<div class="bankomat-f categorya">A</div>
<div class="bankomat-f categorya">A</div>
<div class="bankomat-f categoryrko">RKO</div>
<div class="bankomat-f categoryb">B</div>
<div class="bankomat-f categoryb">B</div>
<div class="bankomat-f categoryb">B</div>

Unable to make button show or hide depending on whether another element has content

So this is probably a simple question. But I have to ask because it's not doing what I want.
Here is the button JavaScript:
$(document).ready(function(){
if ($(".saved-items").html().length > 0) {
$('.btn-01').show();
}
});
The button is shown if there is content in the div. But I would like it to hide again if the div has no content.
I tried:
$(document).ready(function(){
if ($(".saved-items").html().length > 0) {
$('.btn-01').show();
}
if ($(".saved-items").html().length < 0) {
$('.btn-01').hide();
}
});
Here is the HTML when an item is added:
<div class="col-sm-2">
<div class="saved-items"><h4>Items:</h4>
<ul>
<li><i class="fa fa-anchor" aria-hidden="true" style="color:#f60;margin-right:10px;"></i>RAW</li>
</ul>
<script>
$(document).ready(function(){
$('.btn-01').toggle($(".saved-items").html().trim().length > 0);
});
</script>
</div>
</div>
<div class="col-sm-2">
<a class="fancybox my-subject" href="#contact-formulier" value="Item X"><div style="display: block;" class="btn-01">Check Out</div></a>
</div>
</div>
And this is the HTML without any items saved:
<div class="col-sm-2">
<div class="saved-items">
<h4>Items:</h4>
</div>
</div>
<div class="col-sm-2">
<a class="fancybox my-subject" href="#contact-formulier" value="Item X"><div class="btn-01">Check Out</div></a>
</div>
But no go. Here is the CSS of btn-01:
.btn-01 {
background: #f60;
color: #fff;
border-radius: 2px !important;
padding: 5px;
text-align: center;
margin: 40px auto 0px auto;
width: 90%;
display: none;
border:none;
}

You can use toggle() to achieve this:
$('.btn-01').toggle($(".saved-items").html().trim().length > 0);
Working example

length of string is zero or greater than zero..can't be less than zero.
$(document).ready(function(){
if ($(".saved-items").html().length > 0) {
$('.btn-01').show();
}else{
$('.btn-01').hide();
}
});
please check https://jsfiddle.net/Shilpi/uhfruo1a/2/

Angular controller not loading on link click

I'm writing a page that has angular in it that responds to ajax requests and loads various data into a table. The angular works as expected when I type in the address, but if I use a link ( link ) to get to the page, the controller fails to load (but the html shows up). There are no page errors in the console except a resource not loaded for an image because the url is not being loaded by the angular. Here is my code:
<h1 style="text-align: center;">Product Search</h1>
<input type="text" class="form-control" placeholder="Search (Ex. ea-004, Christmas)..." id="search" style="margin-left: auto; margin-right: auto; margin-bottom: 15px;">
<div ng-app="search_results" style="text-align: center; margin-left: 0px; margin-right: 0px;">
<div ng-controller="search_results_ctl" style="text-align: center; margin-left: 0px; margin-right: 0px;">
product{{JSON.stringify(product)}}
<style>
.product:hover{
background-color: #DDDDDD;
cursor: pointer;
border:0px solid grey;
border-radius: 5px;
}
.product-selector:hover {
color: black;
}
</style>
<script>
var app = angular.module("search_results", ['angularUtils.directives.dirPagination']);
app.controller("search_results_ctl", ['$scope', function($scope){
console.log("Angular loaded...");
$scope.results = "";
$('#search').keypress(function(ev){
if(ev.which != 13){//do not add enter to search text, just submit query again
s_term = $('#search').val() + String.fromCharCode(ev.which);//append last character typed
}else{
s_term = $('#search').val();
}
$.ajax({
url: "/query",
data: {s_term: s_term},
success: function(data){
//console.log("products: " + data);
$scope.products = JSON.parse(data);
$scope.$apply();
}
});
});
}]);
</script>
<span ng-if="products != null">
<div style="width: 80%; margin: auto !important;
" dir-paginate="product in products | itemsPerPage: 10" class="row product">
<a href="/orders/new?product_id={{product.id}}" class="product-selector">
<div class="col-md-3 col-sm-3">{{product.title}}</div><div class="col-md-6 col-sm-6">{{product.description}}</div><div class="col-md-3 col-sm-3" style="text-align: center"><img src='{{product.image}}' width="50px" height="50px" style="margin-top: auto; margin-bottom: auto;"></div></a>
</div>
</span>
<span ng-if="products == null" >
<div style="background-color: #DDDDDD; border: 0px solid grey; border-radius: 5px;">
<h3 style="text-align: center;">Creating an Order</h3>
<p><strong>To start</strong>, type in the product code from the website or a key word like "christmas" or "sports". Click the product you would like to order, and it will take you to the order page.</p>
</div>
</span>
<dir-pagination-controls></dir-pagination-controls>
</div>
</div>
the link that is directing my to the page uses an href of "/products/search", which is the correct route.
Any help would be most appreciated!

Turns out after some further reading turbolinks was causing the problem. Turbolinks does not allow a full page reload, so angular never got fully bootstrapped. Here is a more thorough post on the issue: Using angularjs with turbolinks

How to hide div when it's already open?

I couldn't think of any better title, so I will try to explain my question here as clear as possible. I'm quite a newbie in JQuery so this is probably a very easy question.
I have some divs with a button on it. When you click the button, another div should pop-up.
My question is: How can I make the div, which is already open, close when clicking on another button?
I made a fiddle with some example code: http://jsfiddle.net/zuvjx775/1/
And the example code here:
HTML:
<div class="wrapper">
<div class="test">
<input type='button' class='showDiv' id="1" value='click!' />
</div>
<div class="show_1">
</div>
</div>
<br>
<div class="wrapper">
<div class="test">
<input type='button' class='showDiv' id="2"value='click!' />
</div>
<div class="show_2">
</div>
</div>
JQuery:
$('.showDiv').on('click', function(){
var id = $(this).attr('id');
$('.show_'+id).show();
});
When show_1 for example is visible, and I click on the button in div2, I want show_2 to come up, which it does, but show_1 to dissapear.
Can someone point me in the right direction?

You can hide all divs that their class starts with 'show' before show the one you want. For example:
$('.showDiv').on('click', function() {
var id = $(this).attr('id');
$("div[class^='show']").hide();//find div class starts with 'show' and hide them
$('.show_' + id).show();
});
.test {
border: 1px solid black;
height: 100px;
width: 450px;
float: left;
}
.show_1 {
width: 50px;
height: 50px;
background-color: yellow;
float: left;
display: none;
}
.show_2 {
width: 50px;
height: 50px;
background-color: green;
float: left;
display: none;
}
.wrapper {
clear: both;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="wrapper">
<div class="test">
<input type='button' class='showDiv' id="1" value='click!' />
</div>
<div class="show_1">
</div>
</div>
<br>
<div class="wrapper">
<div class="test">
<input type='button' class='showDiv' id="2" value='click!' />
</div>
<div class="show_2">
</div>
</div>

Is the structure of the document fixed?
is so... I guess the easiest way of doing this is to just do the following:
$('.showDiv').on('click', function(){
var id = $(this).attr('id');
if(id == 1){
$('.show_1').show();
$('.show_2').hide();
}else{
$('.show_2').show();
$('.show_1').hide();
}
})