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Introduction to JavaScript

**********How to write JavaScript in an External File**********

--------Create external JavaScript file with the extension .js.

--------After creating, add it to the HTML file in the script tag.

--------The src attribute is used to include that external JavaScript file.

---------If you have more than one external JavaScript file, then add it in the same web page to increase performance of the page.


•Let’s say you created the following new.js  external JavaScript file:





Now add the external JavaScript file to the HTML web page:

More examples on adding script to html: