Use of JavaScript in different ways in html document



We can use java script in html page by three method.
·         In header section
·         In body  section (bottom of the body)
·         External  JavaScript
If we are using java  script in header and body section then we must
Put  our code between script tag.
(<script>………..</script>)
We can use JavaScript  same like external css.
But if we are using external jacvascript. Then we don’t need script tag.
And the extension of JavaScript is  (.js)
Example:
Script.js
This is the example of an external JavaScript file. Here you  sees that the extension of JavaScript is .js

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