How to add JavaScript file in HTML with Example

How to add JavaScript file in HTML with Example
In HTML, JavaScript code is inserted between script and script tags.
Three way to add JavaScript in HTML
a JavaScript function is placed in the head section of an HTML page.
a JavaScript function is placed in the body section of an HTML page.
JavaScript files have the file extension .js.
To use an external script, put the name of the script file in the src (source) attribute of a script tag.
#javascript
#html
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