My Web Page

A Paragraph

JavaScript in

In this example, a JavaScript function is placed in the section of an HTML page.

The function is invoked (called) when a button is clicked:

Example

A Paragraph

It is a good idea to place scripts at the bottom of the element.

This can improve page load, because HTML display is not blocked by scripts loading.External JavaScript

Scripts can also be placed in external files.

External scripts are practical when the same code is used in many different web pages.

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 the

You can place an external script reference in or as you like.

The script will behave as if it was located exactly where the

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