How to Use External JavaScript

Javascript / Overview of Javascript

242

1. Create your html file in a folder.
2. Create you external javascript file "myScript.js" in the same folder.
3. Add this code in your HTML file. 

<script src="myScript.js"></script>

Program:

<!DOCTYPE html>
<html>
<body>

<h2>Use of External JavaScript</h2>

<p id="demo">This is a Paragraph.</p>

<button type="button" onclick="myFunction()">Try it</button>

<p>(myFunction is stored in an external file called "ExternalScript.js")</p>

<script src="myScript.js"></script>

</body>
</html>


myScript.js
----------------------

function myFunction() {
  document.getElementById("demo").innerHTML = "Paragraph changed.";
}

Output:

Run Above Code

Explanation:

No

This Particular section is dedicated to Programs only. If you want learn more about Javascript. Then you can visit below links to get more depth on this subject.

Javascript Syllabus
Javascript Tutorial
Javascript Programs
JavaScript Interview Questions


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