How To Link Javascript To Html?

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link javascript to html: To ahref link a javascript file to an HTML DOM, use the script tag. You can also use this html tag to embed javascript soucre code within the main HTML document use in webpage. Also you can Including JavaScript in your web page is a step by step easy process.

Linking to an External JavaScript File

script – tag is used to define a client-side script code, such as a JavaScript.
type – specify the type of the script
src – script file name and path

The Script Tag

<script type="text/javascript">
  alert("Hi guyes!!!, Welcome To Our Blog.");
</script>

Using the script tag to include an external JavaScript file

<script type="text/javascript" src="your-full-external-js-file.js"></script>

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link javascript to html

To link to an external JavaScript file, use <script src="yourexternanlalljscode.js"></script> where yourexternanlalljscode.js is the location of the external file for use link javascript to html.

<!DOCTYPE html>
<html>
<head>
<title>Simple Added Javascipt File</title>

<script src="/assets/js/main.js"></script>

</head>
<body>

<button onClick="JavaScript:welcomeMessage()">Click Me</button>

</body>
</html>

JavaScript Frameworks

Common JavaScript Frameworks:

Embedded JavaScript

Embedded Code: link javascript to html

<!DOCTYPE html>
<html>
<head>
<title>Embedded JavaScript simple Example</title>

<script>
/* Example simple JavaScript function  */
function getWebpageData() {
	alert("We are pure embedded into the Webpage HTML source code file!")
	}
</script>

</head>
<body>

<button onClick="JavaScript:getWebpageData()">Click Me</button>

</body>
</html>

HTML script src Attribute

<!DOCTYPE html>
<html>
<body>

<h2>HTML script src Attribute Example With demo</h2>

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

</body>
</html>

How do I link a JavaScript file to a HTML file?

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>

<script type="text/javascript" src="jquery-3.3.1.js"></script>
<script type="text/javascript">
   $(function(){
      alert("Welcome To Pakainfo");
   });
</script>

</head>
<body><!-- Your HTML web page source code--></body>
</html>

Link CSS and Js Files With an HTML File

CSS file in the header

<head>
  <link rel="stylesheet" href="css/layout.css" type="text/css">
</head>

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JS file in the footer

 <script type="text/javascript" src="script.js"></script>
</body>

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I hope you get an idea about Including the JavaScript.
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