Why Learn Javascript?

Javascript > Fundamentals of Javascript > Why Javascript!

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Answer:

Javascript is a MUST for students and working professionals to become a great Software Engineer specially when they are working in Web Development Domain. I will list down some of the key advantages of learning Javascript:

Javascript is the most popular programming language in the world and that makes it a programmer’s great choice. Once you learned Javascript, it helps you developing great front-end as well as back-end software using different Javascript based frameworks like jQuery, Node.JS, etc.
Javascript is everywhere, it comes installed on every modern web browser and so to learn Javascript you really do not need any special environment setup. For example Chrome, Mozilla Firefox, Safari and every browser you know as of today, supports Javascript.
Javascript helps you create really beautiful and crazy fast websites. You can develop your website with a console-like look and feel and give your users the best Graphical User Experience.
JavaScript usage has now extended to mobile app development, desktop app development, and game development. This opens many opportunities for you as a Javascript Programmer.
Due to high demand, there are tons of job growth and high pay for those who know JavaScript. You can navigate over to different job sites to see what having JavaScript skills looks like in the job market.
The great thing about Javascript is that you will find tons of frameworks and Libraries already developed which can be used directly in your software development to reduce your time to market.

There could be 1000s of good reasons to learn Javascript Programming. But one thing for sure, to learn any programming language, not only Javascript, you just need to code, and code and finally code until you become expert.

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<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<ul class="dropdown-menu"> 
<li><button type="button" id="1" class="highlight"> Edit </button> </li>
<li><button type="button" id="2" class="highlight"> Edit </button> </li>
<li><button type="button" id="3" class="highlight"> Edit </button> </li>
<li><button type="button" id="4" class="highlight"> Edit </button> </li>
...............................

<li><button type="button" id="100" class="highlight"> Edit </button> </li>
</ul>

Way 1: you can use this jQuery code.

In this case we are targeting the class highlight and then taking the id using attr() function.

I have written below code of HTML.


<script type="text/javascript"> 

$(document).ready(function() {  
$('.highlight').on('click', function(e){
     var id = $(this).attr('id');
     alert(id); 
});
});

</script>

Way 2: Below Code also works Fine

In this process I am directly targeting the class and taking its id.

I have written below code of HTML.


<script type="text/javascript"> 

$(document).ready(function() {  
 
$(document).on("click", ".highlight", function() {
  var id =  this.id; 
  alert(id); 
});

});

</script>

# Tutorial: Function Introduction

Question: Function in Javascript Short

Why Learn Javascript?

Answer:

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771. Javascript frameworks

772. What are the applications of Javascript Programming?

941. How to get dynamic ID of a button in jQuery

Way 1: you can use this jQuery code.

Way 2: Below Code also works Fine

942. How to Hide Div in JavaScript?

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944. How to Change Border Radius of Div in JavaScript?

945. How to Change Border Width of Div in JavaScript?

946. How to Change Bottom Border of Div in JavaScript?

947. How to Change Border Style of Div in JavaScript?

948. How to Change Font Color of Div in JavaScript?