JavaScript in Angular | Event Binding

JavaScript in Angular | Event Binding - javascript

I have a Twitter Bootstrap form that gets an orange border-bottom when it gets into focus. But the icon that is on the input line has its own border-bottom and i dont know how to bind the focus event in Angular to a function that makes the border-bottom of the icon also orange.
<form>
<div class="form-group">
<div class="input-group">
<div class="input-group-prepend">
<div class="input-group-text" id="emailInputIcon"><i class="fal fa-envelope"></i></div>
</div>
<input type="email" class="form-control" id="emailInputLogin" aria-describedby="emailHelp" placeholder="EMAIL">
</div>
</div>
<div class="form-group">
<div class="input-group">
<div class="input-group-prepend">
<div class="input-group-text" id="passwordInputIcon"><i class="fal fa-key"></i></div>
</div>
<input type="password" class="form-control" id="passwordInputLogin" placeholder="PASSWORD">
</div>
</div>
<button type="submit" class="btn btn-primary">Login</button>
</form>

A simple way would be like this (simplified for readability):
HTML:
<input (focus)="onInputFocused()" (blur)="onInputBlurred()" />
<div class="icon" #icon></div>
TS:
#ViewChild('icon') icon: ElementRef;
onInputFocused() {
this.icon.nativeElement.style.borderBottom = 'orange 1px solid';
}
onInputBlurred() {
this.icon.nativeElement.style.borderBottom = '';
}
More elegant:
HTML:
<input (focus)="onInputFocused()" (blur)="onInputBlurred()" />
<div class="icon" [ngClass]={'withBorder': focused}></div>
TS:
focused = false;
onInputFocused() {
this.focused = true;
}
onInputBlurred() {
this.focused = false;
}
CSS:
.withBorder {
border-bottom: orange 1px solid;
}
Without Angular, a plain CSS solution (preferable):
HTML:
<div class="has-input">
<input type="text" />
<div class="icon"></div>
</div>
CSS:
.has-input input:focus + .icon {
border-bottom: orange 1px solid;
}

Related

Function changing id only once. [Javascript]

What I am trying to do: I am adding new entries whenever I submit a form and that entry should have an animation (fadeIn effect). I am adding new entries whenever I submit a form. Every entry is being added using javascript template literal in which I am adding using divisions with classes and ids. Every entry has an Id and when I use that ID to add animation, all entries get the animation as they have same ids (I know IDs should not be same that is why I am trying to change it).
What I am trying to do: I am trying to change ID of previously added entry or div.
Program is changing ID only once.
My javascript code:
var enrolledStudents = [];
let form = document.getElementById("student-enrollment-form");
const getStudentDetails = (event) => {
event.preventDefault();
// This is the important part, test if form is valid
if (form.checkValidity() === false){
// This is the magic function that displays the validation errors to the user
form.reportValidity();
return;
}
var skillsList = [];
var name = document.getElementById("name-input").value;
var email = document.getElementById("email-input").value;
var website = document.getElementById("website-input").value;
var imgLink = document.getElementById("imglink-input").value;
var gender = document.querySelector('input[name="genderRadio"]:checked').value;
var skills = document.querySelectorAll('input[type="checkbox"]');
skills.forEach(item => {
if (item.checked){
skillsList.push(item.value);
}
})
var student = {
'name': name,
'email': email,
'website': website,
'imageLink' : imgLink,
'gender': gender,
'skills': skillsList,
}
enrolledStudents.push(student)
console.log(enrolledStudents);
const studentList = document.getElementById('student-list');
studentList.innerHTML = `${
enrolledStudents.map(student => {
var passport = student.imgLink;
return `
<div class="row" id="student-id-details" style="border: 2px solid black; border-top: none; height: 120px;">
<div class="col" style="padding-top: 10px; padding-bottom: 5px; height: 100px;">
<h6 class="card-title">${student.name}</h6>
<p class="card-text">${student.gender}<br />${student.email}<br />${student.website}<br />${student.skills}</p>
</div>
</div>
`;
}).join("")
}`
const studentImages = document.getElementById("student-images");
console.log(enrolledStudents)
studentImages.innerHTML = `${
enrolledStudents.map(student => {
return `
<div class="row" id="student-id-image" style="border: 2px solid black; border-top: none; border-left: none; height: 120px">
<div class="col" style="padding-top: 10px; padding-bottom: 6px; height: 120px; align-items: centre;">
<img src=${student.imageLink}></img>
</div>
</div>
`
}).join("")
}`
setTimeout(changeIds, 3000);
}
const changeIds = () => {
var oldId = document.getElementById("student-id-details");
oldId.id = "no-animation";
console.log(document.querySelectorAll("#student-id-details"));
console.log(document.querySelectorAll("#no-animation"));
}
I cannot use any library or framework for doing this task.
In changeIds function, I am changing the ID. When I keep adding new entries there is only 1 node in no-animation NodeList (the first entry) and after that no ID change is taking effect.
What can be the problem here?
My html code for reference -
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Student Enrollment</title>
<link href="style.css" rel="stylesheet" />
<link href="https://cdn.jsdelivr.net/npm/bootstrap#5.2.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-gH2yIJqKdNHPEq0n4Mqa/HGKIhSkIHeL5AyhkYV8i59U5AR6csBvApHHNl/vI1Bx" crossorigin="anonymous">
</head>
<body>
<script src="https://cdn.jsdelivr.net/npm/bootstrap#5.2.0/dist/js/bootstrap.bundle.min.js" integrity="sha384-A3rJD856KowSb7dwlZdYEkO39Gagi7vIsF0jrRAoQmDKKtQBHUuLZ9AsSv4jD4Xa" crossorigin="anonymous"></script>
<nav class="navbar text-center" style="background-color: #59CE8F;">
<div class="container-fluid text-center">
<span class="navbar-brand mb-0 h1 text-center" style="color: white;">Student Enrollment Form</span>
</div>
</nav>
<div class="container">
<div class="row">
<div class="col" style="height: 35px;"></div>
</div>
<div class="row">
<div class="col" style="border-right: 3px solid #59CE8F;">
<form id="student-enrollment-form">
<div class="row mb-3">
<label for="name-input" class="col-sm-2 col-form-label">Name</label>
<div class="col-sm-5">
<input type="text" class="form-control" id="name-input"/>
</div>
</div>
<div class="row mb-3">
<label for="email-input" class="col-sm-2 col-form-label">E-Mail</label>
<div class="col-sm-5">
<input type="email" class="form-control" id="email-input" required/>
</div>
</div>
<div class="row mb-3">
<label for="website-input" class="col-sm-2 col-form-label">Website</label>
<div class="col-sm-5">
<input type="url" class="form-control" id="website-input" required/>
</div>
</div>
<div class="row mb-3">
<label for="imglink-input" class="col-sm-2 col-form-label">Img Link</label>
<div class="col-sm-5">
<input type="url" class="form-control" id="imglink-input" required/>
</div>
</div>
<fieldset class="row mb-3">
<legend class="col-form-label col-sm-2 pt-0">Gender</legend>
<div class="col-sm-10">
<div class="form-check">
<input class="form-check-input" type="radio" name="genderRadio" id="gridRadios1" value="male" id="male-input" checked>
<label class="form-check-label" for="gridRadios1">
Male
</label>
</div>
<div class="form-check">
<input class="form-check-input" type="radio" name="genderRadio" id="gridRadios2" value="female" id="female-input">
<label class="form-check-label" for="gridRadios2">
Female
</label>
</div>
</div>
</fieldset>
<div class="row mb-3">
<label for="skills" class="col-sm-2 col-form-control">Skills</label>
<div class="col-sm-2">
<input class="form-check-input" type="checkbox" id="java-gridCheck" value="Java">
<label class="form-check-label" for="gridCheck">
JAVA
</label>
</div>
<div class="col-sm-2">
<input class="form-check-input" type="checkbox" id="html-gridCheck" value="HTML">
<label class="form-check-label" for="gridCheck">
HTML
</label>
</div>
<div class="col-sm-2">
<input class="form-check-input" type="checkbox" id="css-gridCheck" value="CSS">
<label class="form-check-label" for="gridCheck">
CSS
</label>
</div>
</div>
<div class="row mb-3">
<div class="col-4">
<button type="button" class="btn btn-primary" onclick="getStudentDetails(event)">Enroll Student</button>
</div>
<div class="col-2" style="margin-left: -30px;">
<button type="clear" class="btn btn-danger">Clear</button>
</div>
</div>
</div>
</form>
<div class="col" id="student-ids">
<h3 id="right-col-header">Enrolled Students</h3>
<div class="row mb-4"></div>
<div class="row">
<div class="col-2"></div>
<div class="col-5" style="text-align: left;">
<div class="row" style="border: 2px solid black;">
<div class="col">
Description
</div>
</div>
<div class="student-list-division" id="student-list">
</div>
</div>
<div class="col-3" style="align-items: centre;">
<div class="row" style="border: 2px solid black; border-left: none;">
<div class="col">
Image
</div>
</div>
<div class="student-list-images" id="student-images">
</div>
</div>
<div class="col-2"></div>
</div>
</div>
</div>
</div>
<script src="script_js.js"></script>
</body>
</html>
My css code for animation -
#right-col-header{
text-align: center;
}
ul{
padding-left: 0;
list-style-type: none;
}
p{
font-size: 13px;
}
img{
height: 6em;
width: 6em;
}
#student-ids{
height: 90%;
overflow-x: auto;
}
#student-id-image{
animation: fadeIn 2s;
-webkit-animation: fadeIn 2s;
}
#keyframes fadeIn {
0% { opacity: 0; }
100% { opacity: 1; }
}
#student-id-details{
animation: fadeIn 2s;
-webkit-animation: fadeIn 2s;
}
I would appreciate different solutions for achieving animations in new entries only too.

You have to apply fade-in-animation class to new entry, current logic apply animation class to all list.
I just update your code with minor changes, i hope it'll help you out. Thank You
var enrolledStudents = [];
let form = document.getElementById("student-enrollment-form");
const getStudentDetails = (event) => {
event.preventDefault();
// This is the important part, test if form is valid
if (form.checkValidity() === false){
// This is the magic function that displays the validation errors to the user
form.reportValidity();
return;
}
var skillsList = [];
var name = document.getElementById("name-input").value;
var email = document.getElementById("email-input").value;
var website = document.getElementById("website-input").value;
var imgLink = document.getElementById("imglink-input").value;
var gender = document.querySelector('input[name="genderRadio"]:checked').value;
var skills = document.querySelectorAll('input[type="checkbox"]');
skills.forEach(item => {
if (item.checked){
skillsList.push(item.value);
}
})
var student = {
'name': name,
'email': email,
'website': website,
'imageLink' : imgLink,
'gender': gender,
'skills': skillsList,
}
enrolledStudents.push(student)
console.log(enrolledStudents);
const studentList = document.getElementById('student-list');
studentList.innerHTML = `${
enrolledStudents.map((student, index) => {
var passport = student.imgLink;
return `
<div class="row ${enrolledStudents.length === (index + 1) ? 'fade-in-animation' : ''}" style="border: 2px solid black; border-top: none; height: 120px;">
<div class="col" style="padding-top: 10px; padding-bottom: 5px; height: 100px;">
<h6 class="card-title">${student.name}</h6>
<p class="card-text">${student.gender}<br />${student.email}<br />${student.website}<br />${student.skills} ${index}</p>
</div>
</div>
`;
}).join("")
}`
const studentImages = document.getElementById("student-images");
console.log(enrolledStudents)
studentImages.innerHTML = `${
enrolledStudents.map((student, index) => {
return `
<div class="row ${enrolledStudents.length === (index + 1) ? 'fade-in-animation' : ''}" style="border: 2px solid black; border-top: none; border-left: none; height: 120px">
<div class="col" style="padding-top: 10px; padding-bottom: 6px; height: 120px; align-items: centre;">
<img src=${student.imageLink}></img>
</div>
</div>
`
}).join("")
}`
}
#right-col-header{
text-align: center;
}
ul{
padding-left: 0;
list-style-type: none;
}
p{
font-size: 13px;
}
img{
height: 6em;
width: 6em;
}
#student-ids{
height: 90%;
overflow-x: auto;
}
#keyframes fadeIn {
0% { opacity: 0; }
100% { opacity: 1; }
}
.fade-in-animation{
animation: fadeIn 2s;
-webkit-animation: fadeIn 2s;
}
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Student Enrollment</title>
<link href="style.css" rel="stylesheet" />
<link href="https://cdn.jsdelivr.net/npm/bootstrap#5.2.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-gH2yIJqKdNHPEq0n4Mqa/HGKIhSkIHeL5AyhkYV8i59U5AR6csBvApHHNl/vI1Bx" crossorigin="anonymous">
</head>
<body>
<script src="https://cdn.jsdelivr.net/npm/bootstrap#5.2.0/dist/js/bootstrap.bundle.min.js" integrity="sha384-A3rJD856KowSb7dwlZdYEkO39Gagi7vIsF0jrRAoQmDKKtQBHUuLZ9AsSv4jD4Xa" crossorigin="anonymous"></script>
<nav class="navbar text-center" style="background-color: #59CE8F;">
<div class="container-fluid text-center">
<span class="navbar-brand mb-0 h1 text-center" style="color: white;">Student Enrollment Form</span>
</div>
</nav>
<div class="container">
<div class="row">
<div class="col" style="height: 35px;"></div>
</div>
<div class="row">
<div class="col" style="border-right: 3px solid #59CE8F;">
<form id="student-enrollment-form">
<div class="row mb-3">
<label for="name-input" class="col-sm-2 col-form-label">Name</label>
<div class="col-sm-5">
<input type="text" class="form-control" id="name-input"/>
</div>
</div>
<div class="row mb-3">
<label for="email-input" class="col-sm-2 col-form-label">E-Mail</label>
<div class="col-sm-5">
<input type="email" class="form-control" id="email-input" required/>
</div>
</div>
<div class="row mb-3">
<label for="website-input" class="col-sm-2 col-form-label">Website</label>
<div class="col-sm-5">
<input type="url" class="form-control" id="website-input" required/>
</div>
</div>
<div class="row mb-3">
<label for="imglink-input" class="col-sm-2 col-form-label">Img Link</label>
<div class="col-sm-5">
<input type="url" class="form-control" id="imglink-input" required/>
</div>
</div>
<fieldset class="row mb-3">
<legend class="col-form-label col-sm-2 pt-0">Gender</legend>
<div class="col-sm-10">
<div class="form-check">
<input class="form-check-input" type="radio" name="genderRadio" id="gridRadios1" value="male" id="male-input" checked>
<label class="form-check-label" for="gridRadios1">
Male
</label>
</div>
<div class="form-check">
<input class="form-check-input" type="radio" name="genderRadio" id="gridRadios2" value="female" id="female-input">
<label class="form-check-label" for="gridRadios2">
Female
</label>
</div>
</div>
</fieldset>
<div class="row mb-3">
<label for="skills" class="col-sm-2 col-form-control">Skills</label>
<div class="col-sm-2">
<input class="form-check-input" type="checkbox" id="java-gridCheck" value="Java">
<label class="form-check-label" for="gridCheck">
JAVA
</label>
</div>
<div class="col-sm-2">
<input class="form-check-input" type="checkbox" id="html-gridCheck" value="HTML">
<label class="form-check-label" for="gridCheck">
HTML
</label>
</div>
<div class="col-sm-2">
<input class="form-check-input" type="checkbox" id="css-gridCheck" value="CSS">
<label class="form-check-label" for="gridCheck">
CSS
</label>
</div>
</div>
<div class="row mb-3">
<div class="col-4">
<button type="button" class="btn btn-primary" onclick="getStudentDetails(event)">Enroll Student</button>
</div>
<div class="col-2" style="margin-left: -30px;">
<button type="clear" class="btn btn-danger">Clear</button>
</div>
</div>
</div>
</form>
<div class="col" id="student-ids">
<h3 id="right-col-header">Enrolled Students</h3>
<div class="row mb-4"></div>
<div class="row">
<div class="col-2"></div>
<div class="col-5" style="text-align: left;">
<div class="row" style="border: 2px solid black;">
<div class="col">
Description
</div>
</div>
<div class="student-list-division" id="student-list">
</div>
</div>
<div class="col-3" style="align-items: centre;">
<div class="row" style="border: 2px solid black; border-left: none;">
<div class="col">
Image
</div>
</div>
<div class="student-list-images" id="student-images">
</div>
</div>
<div class="col-2"></div>
</div>
</div>
</div>
</div>
</body>
</html>

How to add 2 new input from 1 button?

Hi i have my code here where now i would like 1 button click to add a input box to contact Name and contact No
Example of image when user click on the add more field
Currently what i have is 2 different input fields where i have hidden the button for the contact No:
Originally i am allow to press on the 2 button to display a newinput but now i would like that 1 button input appear for each new input for contact name and contact no how can i combine it?
Here my code snippet for the code
// Script on create a new input box 1 for Contact: Name
const $container1 = $('#contactContainername')
$(".remove1").eq(0).hide()
$container1.on('click', ".no", function(e) {
const add1 = $(this).is(".add1")
const $input1 = $container1.find(".contactname");
const len1 = $input1.length;
if (add1) {
const $newInput1 = $input1.eq(0).clone(true)
$newInput1.find("[name=contactname]")
.attr("id", `new_${$input1.length}`)
.val("");
$container1.append($newInput1);
$newInput1.find(".add1").remove()
$newInput1.find(".remove1").show()
// $newPhone.find(".add").hide(len>0)
} else {
$(this).closest(".contactname").remove()
}
})
// Script on create a new input box 2 for Contact: No
const $container = $('#contactContainer')
$(".remove").eq(0).hide()
$container.on('click', ".ar", function(e) {
const add = $(this).is(".add");
const $input = $container.find(".contact");
const len = $input.length;
if (add) {
const $newInput = $input.eq(0).clone(true)
$newInput.find("[name=contact]")
.attr("id", `new_${$input.length}`)
.val("");
$container.append($newInput);
$newInput.find(".add").remove()
$newInput.find(".remove").show()
// $newPhone.find(".add").hide(len>0)
} else {
$(this).closest(".contact").remove()
}
})
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="form-group row">
<label for="contact" class="col-2 col-form-label">Contact Name:</label>
<div class="col-4" id="contactContainername">
<div class="flex contactname" style="margin-bottom:10px;">
<input style="margin-right: 10px; width: 200px;" id="validationcontactname" name="contactname" type="text" class="form-control" placeholder="Name" required>
<input type="button" class="no add1" value="Add More Field" style="cursor: pointer;">
<span class="no remove1"><label style="cursor: pointer; padding-top: 5px;"><i style="width: 20px; height: 20px; color: lightseagreen;"data-feather="x"></i></label></span>
</div>
</div>
</div>
<div class="form-group row">
<label for="contact" class="col-2 col-form-label">Contact No:</label>
<div class="col-4" id="contactContainer">
<div class="flex contact" style="margin-bottom:10px;">
<input style="margin-right: 10px; width: 200px;" id="validationcontact" name="contact" type="text" class="form-control" placeholder="9343****" pattern="\b\d{8}\b" required>
<input type="button" class="ar add" value="Add More Field" style="cursor: pointer;" hidden>
<!-- <span class="ar add"><label style="cursor: pointer; padding-top: 5px;"><i data-feather="plus" ></i></label></span> -->
<span class="ar remove"><label style="cursor: pointer; padding-top: 5px;"><i style="width: 20px; height: 20px; color: lightseagreen;"data-feather="x"></i></label></span>
</div>
</div>
</div>

I've just changed your code,I've added onclick event to add more field button
function addMoreField() {
const $contactContainername = $('#contactContainername');
const $contactContainerNo = $('#contactContainer');
const $contactNameinput = $contactContainername.find(".contactname");
const $contactNoInput = $contactContainerNo.find(".contact");
const $newContactNameinput = $contactNameinput.eq(0).clone(true);
$newContactNameinput.find("[name=contactname]")
.attr("id", `contactNameInput_${$contactNameinput.length}`)
.val("");
$newContactNameinput.attr("id", `contactName_${$contactNameinput.length}`);
const removeButton = $newContactNameinput.find(".removeButton");
removeButton.attr("onclick", `removeField(${$contactNameinput.length})`);
removeButton.show();
const $newContactNoinput = $contactNoInput.eq(0).clone(true);
$newContactNoinput.attr("id", `contactNo_${$contactNameinput.length}`);
$newContactNoinput.find("[name=contact]")
.attr("id", `contactNoInput_${$contactNoInput.length}`)
.val("");
$contactContainername.append($newContactNameinput);
$contactContainerNo.append($newContactNoinput);
}
function removeField(id) {
if (id === 0) return;
const $contactContainername = $('#contactContainername');
const $contactContainerNo = $('#contactContainer');
const $contactNameinput = $contactContainername.find(`#contactName_${id}`);
const $contactNoinput = $contactContainerNo.find(`#contactNo_${id}`);
$contactNameinput.remove();
$contactNoinput.remove();
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<input type="button" onclick='addMoreField()' class="no add1" value="Add More Field" style="cursor: pointer;">
<div class="form-group row">
<label for="contact" class="col-2 col-form-label">Contact Name:</label>
<div class="col-4" id="contactContainername">
<div id="contactName_0" class="flex contactname" style="margin-bottom:10px;">
<input style="margin-right: 10px; width: 200px;" id="validationcontactname" name="contactname" type="text" class="form-control" placeholder="Name" required>
<input class="removeButton" type="button" onclick='removeField(0)' value="Remove" style="cursor: pointer;display:none">
</div>
</div>
</div>
<div class="form-group row">
<label for="contact" class="col-2 col-form-label">Contact No:</label>
<div class="col-4" id="contactContainer">
<div id="contactNo_0" class="flex contact" style="margin-bottom:10px;">
<input style="margin-right: 10px; width: 200px;" id="validationcontact" name="contact" type="text" class="form-control" placeholder="9343****" pattern="\b\d{8}\b" required>
<input type="button" class="ar add" value="Add More Field" style="cursor: pointer;" hidden>
<!-- <span class="ar add"><label style="cursor: pointer; padding-top: 5px;"><i data-feather="plus" ></i></label></span> -->
<span class="ar remove"><label style="cursor: pointer; padding-top: 5px;"><i style="width: 20px; height: 20px; color: lightseagreen;"data-feather="x"></i></label></span>
</div>
</div>
</div>

Calling JQuery Button Clicks/Form Submit in Firebase Functions and Hosting

I am trying to make a website using Firebase Functions and Hosting Feature. Everything works perfectly but for some reason when the user tries to fill the form, the website reloads. I am trying to place an onClick Listener on the button in the form or attach the onSubmit to the form. But nothing gets called. I don't know what I am doing wrong. Any help will be appreciated.
<form id="join-us-form" class="container" onsubmit="joinUsButtonCalled()">
<div class="form-row">
<div class="form-group col-sm-12">
<label for="joinUsFullName" class="sr-only">Full Name</label>
<div class="input-group mb-2 mb-sm-0" style="border: 1px solid white; border-radius: 5px">
<div class="input-group-addon" style="background-color: transparent">
<i class="fal fa-user" style="color: white;"></i>
</div>
<input type="text" class="form-control" id="joinUsFullName" placeholder="Your Name"
required style="background: transparent; color: white">
<div class="invalid-feedback">
Please provide us with your name.
</div>
</div>
</div>
</div>
<div class="form-row">
<div class="form-group col-sm-12">
<label for="joinUsEmailAddress" class="sr-only">Email Address</label>
<div class="input-group mb-2 mb-sm-0" style="border: 1px solid white; border-radius: 5px">
<div class="input-group-addon" style="background-color: transparent">
<i class="fal fa-envelope" style="color: white;"></i>
</div>
<input type="email" class="form-control" id="joinUsEmailAddress"
placeholder="Email Address"
required style="background: transparent; color: white">
<div class="invalid-feedback">
Please provide a valid email.
</div>
</div>
</div>
</div>
<div class="form-row">
<div class="form-group col-sm-12">
<label for="joinUsWorkAs" class="sr-only">Work as..</label>
<div class="input-group mb-2 mb-sm-0" style="border: 1px solid white; border-radius: 5px">
<div class="input-group-addon" style="background-color: transparent">
<i class="fal fa-tasks" style="color: white;"></i>
</div>
<input type="text" class="form-control" id="joinUsWorkAs"
placeholder="e.g: Designer, App Developer ..."
required style="background: transparent; color: white">
<div class="invalid-feedback">
Please provide a valid work as.
</div>
</div>
</div>
</div>
<button id="joinUsButton" class="btn btn-warning btn-rounded" type="submit" onClick="joinUsButtonCalled()">Get in Touch</button>
</form>
<script>
function joinUsButtonCalled(event){
$('#join-us-form').preventDefault();
console.log('I am being called here in Join Us ()');
event.preventDefault();
}
</script>

Since you are using JQUERY I would try something like this:
$('#join-us-form').submit(function(ev) {
ev.preventDefault(); //to stop the form from submitting
//do your validation stuff
this.submit(); // If all the validations succeeded
});
$('#joinUsButton').on('click', function(ev){
ev.preventDefault(); //to stop the form from submitting
//do your validation stuff
$('#join-us-form').submit();// If all the validations succeeded
});
The problem with your script was that "event" was actually "undefined" cause "onSubmit" doesn't pass any argument to the function "joinUsButtonCalled".
Same for "$('#join-us-form').preventDefault();" cause preventDefault() is not a method of a generic JQUERY object, it belong to the EventObject, like the ones fired by a user click.
I guess your console was full of "undefined" error.
Finally you can get rid of the "onSumbit" and "onClick" attribute:
<form id="join-us-form" class="container">
...
<button id="joinUsButton" class="btn btn-warning btn-rounded" type="submit">Get in Touch</button>
</form>

Bootstrap : Button appearance changes upon hover

I am seeing this weird button behavior (the text on the button becomes near invisible) in my bootstrap button when I do a mouse hover on it.
This is my markup (Salesforce VF page with bootstrap)
<apex:page >
<head>
<apex:stylesheet value="{!URLFOR($Resource.bstrap, '/bootstrap-3.3.7-dist/css/bootstrap.min.css')}"/>
<apex:includeScript value="{!$Resource.jq}"/>
<apex:includeScript value="{!URLFOR($Resource.bstrap, '/bootstrap-3.3.7-dist/js/bootstrap.min.js')}"/>
<style>
.red{
color:red;
}
.form-area
{
//background-color: #FAFAFA;
background-color:#77F2F2;
padding: 10px 40px 60px;
margin: 10px 0px 60px;
border: 1px solid GREY;
}
#submit
{
//color:#BF99E5;
font-family: "Helvetica";
border-radius:10px;
padding:10px;
}
</style>
<script>
j$ = jQuery.noConflict();
j$(document).ready(function(){
//alert("test");
//j$('#submit').hover(function(){alert('thisissdfsdfh');});
j$('#characterLeft').text('140 characters left');
//j$('#btnSubmit').focus(function(){alert('sdfsdf');});
j$('#message').keydown(function () {
var max = 140;
var len = j$(this).val().length;
if (len >= max) {
j$('#characterLeft').text('You have reached the limit');
j$('#characterLeft').addClass('red');
j$('#btnSubmit').addClass('disabled');
}
else {
var ch = max - len;
j$('#characterLeft').text(ch + ' characters left');
j$('#btnSubmit').removeClass('disabled');
j$('#characterLeft').removeClass('red');
}
});
});
</script>
</head>
<apex:form >
<div class="container">
<div class="col-md-10">
<div class="form-area">
<br />
<h3 style="margin-bottom: 25px; text-align: left;">Add New Contact</h3>
<br />
<div class="form-group">
<input type="text" class="form-control" id="name" name="name" placeholder="Name" required="true"/>
</div>
<div class="form-group">
<div class="input-group">
<span class="input-group-addon"><i class="glyphicon glyphicon-globe" aria-hidden="true"></i></span>
<input id="email" name="email" class="form-control" placeholder="Email" required="true" type="text"/>
</div>
</div>
<div class="form-group">
<div class="input-group">
<span class="input-group-addon"><span class="glyphicon glyphicon-phone-alt" aria-hidden="true"></span></span>
<input id="tel" name="tel" class="form-control" placeholder="Phone Number" required="" type="text"/>
</div>
</div>
<div class="form-group">
<input type="text" class="form-control" id="subject" name="subject" placeholder="Subject" required="true"/>
</div>
<div class="form-group">
<textarea class="form-control" type="textarea" id="message" placeholder="Message" maxlength="140" rows="7"></textarea>
<span class="help-block"><p id="characterLeft" class="help-block ">You have reached the limit</p></span>
</div>
<center> <button type="button" id="submit" name="submit" class="btn btn-primary pull-right" >Submit Form</button> </center>
</div>
</div>
</div>
</apex:form>
</apex:page>
In the last line in HTML if I remove the attribute "class="btn btn-primary pull-right" from button tag then the behavior is ok.
When I do a mouse hover it looks like below :
When NOT mouse hover it looks fine :
Can someone tell me what is wrong ?

Try this in your css,
#submit:hover, #submit:focus, #submit:active {
color:#BF99E5;
}
Bootstrap has custom CSS on hover, active, focus for appropriate elements. This should override them

It seems that some of your code overrides the stylings of bootstrap. However, if you really want to change the color of text on your button, then you may add hover in your style like:
input#submit:hover{
color: #000; /* Black */
}
That's it! :) Happy coding :) Please comment if you have problem with my solution, its my pleasure to help others :)

How to change the font color of both label and input onfocus of an inputbox and change it back on blur

I have attached a plunker link for what ive did
http://plnkr.co/edit/JlARpFiVEFryAhgxgWJm?p=preview
input[attribute=flag]:focus {
color: red;
}
input[attribute=flag]{
color: green;
}
<form name="Form" class="form-horizontal " style="padding-left:9%;">
<div class="form-group">
<div class="col-sm-11 ">
<label for="inputEmail" class="control-label" >Email</label><br>
<input type="email" attribute=flag class="form-control inputBorderStyle box" id="usernameLogin" name="username" required="">
</div>
</div>
<div class="form-group">
<div class="col-sm-11 "><br>
<label for="inputPassword" class="control-label">Password</label><br>
<input type="password" attribute=flag class="form-control inputBorderStyle box" id="usernamePassword" name="password" required="">
</div>
</div>
<div class="form-group last">
<div class="col-sm-11"><br>
<button type="submit" id="loginButton" class="btn btn-myprimary">LOG IN</button>
</div>
</div>
</form>
Onfocus of input i want to change the color of both label and input.
Right now im able to chnage the color of input but how to change label color onfocus and change it back to other color on blur.If anyone has idea please suggest.
Thanks in advance

Try with focusin and focusout effect.
Jsfiddle
$(document).ready(function() {
$("input").on("focusin", function() {
$(this).siblings("label").css("color","red");
$(this).css("color","red");
});
$("input").on("focusout", function() {
$(this).siblings("label").css("color","green");
$(this).css("color","green");
})
})

Try this code:
$(function(){
$('input[type=email], input[type=password]').focus(function(){
$(this).closest('div').find('label').css({color:'red'})
});
$('input[type=email], input[type=password]').blur(function(){
$(this).closest('div').find('label').css({color:'#000'})
});
});
/* Styles go here */
.inputBorderStyle{
border:0;
box-shadow:none !important;
border-bottom:1px solid black;
border-radius:0px;
-webkit-box-shadow: none;
-moz-box-shadow: none;
box-shadow: none;
}
input[attribute=flag]:focus {
color: red;
}
input[attribute=flag]{
color: green;
}
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css">
<script
src="https://code.jquery.com/jquery-2.2.4.min.js"
integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44="
crossorigin="anonymous"></script>
<script src="script.js"></script>
</head>
<body>
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css">
<script src="script.js"></script>
</head>
<body>
<form name="Form" class="form-horizontal " style="padding-left:9%;">
<div class="form-group">
<div class="col-sm-11 ">
<label for="inputEmail" class="control-label" >Email</label><br>
<input type="email" attribute=flag class="form-control inputBorderStyle box" id="usernameLogin" name="username" required="">
</div>
</div>
<div class="form-group">
<div class="col-sm-11 "><br>
<label for="inputPassword" class="control-label">Password</label><br>
<input type="password" attribute=flag class="form-control inputBorderStyle box" id="usernamePassword" name="password" required="">
</div>
</div>
<div class="form-group last">
<div class="col-sm-11"><br>
<button type="submit" id="loginButton" class="btn btn-myprimary">LOG IN</button>
</div>
</div>
</form>
</body>
</html>
</body>
</html>
The focus and blurevents allow you to bind corresponding events when an HTML element receives focus and is out of focus.

You can add onfocus and onblur event on the inputs (without jQuery)
var userField = document.getElementById("usernameLogin");
userField.addEventListener("focus",function(){
this.parent.getElementsByTagName("label")[0].style.color = 'red';
});
userField.addEventListener("blur",function(){
this.parent.getElementsByTagName("label")[0].style.color = 'green';
});

Use jquery, to attach event focus to the input and the label after that add class to input and to the the label and detach the class on blur
$("input").on("focus",function(){
$(this).addClass("focusclass")
$(this).closest(".col-md-11").first().addClass("Labelfocusclass")
}
$("input").on("blur",function(){
$(this).removeClass("focusclass")
$(this).closest(".col-md-11").first().removeClass("Labelfocusclass")
}

JavaScript Solution:
Use onfocus and onblur events like this:
function changeColor(obj) {
document.getElementById(obj).style.color = "red";
}
function removeColor(obj) {
document.getElementById(obj).style.color = "black";
}
/* Styles go here */
.inputBorderStyle {
border: 0;
box-shadow: none !important;
border-bottom: 1px solid black;
border-radius: 0px;
-webkit-box-shadow: none;
-moz-box-shadow: none;
box-shadow: none;
}
input[attribute=flag]:focus {
color: red;
}
input[attribute=flag] {
color: green;
}
<form name="Form" class="form-horizontal " style="padding-left:9%;">
<div class="form-group">
<div class="col-sm-11 "><br>
<label for="inputEmail" class="control-label" id="email">Email</label><br>
<input type="email" attribute=flag class="form-control inputBorderStyle box" id="usernameLogin" name="username" required="" onfocus="changeColor('email')" onblur="removeColor('email')">
</div>
</div>
<div class="form-group">
<div class="col-sm-11 "><br>
<label for="inputPassword" class="control-label" id="password">Password</label><br>
<input type="password" attribute=flag class="form-control inputBorderStyle box" id="usernamePassword" name="password" required="" onfocus="changeColor('password')" onblur="removeColor('password')">
</div>
</div>
<div class="form-group last">
<div class="col-sm-11"><br>
<button type="submit" id="loginButton" class="btn btn-myprimary">LOG IN</button>
</div>
</div>
</form>

check my fiddle mate and let me know i have done this using jquery
https://jsfiddle.net/estvwpvz/5/
var divs = document.getElementsByClassName('inputBorderStyle');
for(var i = 0; i < divs.length; i++)
{
document.getElementsByClassName('inputBorderStyle')[i].addEventListener("focusin", myFunction);
document.getElementsByClassName('inputBorderStyle')[i].addEventListener("focusout", myFunctionout);
}
function myFunction() {
this.style.color= "red";
this.parentElement.getElementsByTagName("label")[0].style.color = 'red';
}
function myFunctionout() {
this.style.color= "white";
this.parentElement.getElementsByTagName("label")[0].style.color = 'black';
}

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