Coding for the Web

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Client-Side Scripting

This is code that runs on the client's browser after the page has been sent back to the client.

Examples of client-side scripting languages include JavaScript and VBScript.

Also, any person could maliciously edit the code that your site needs and possibly manipulate it. Users can also turn off the ability for scripts to run.

Main uses of Client-side scripting include:

• Showing/hiding areas of a web page when clicked on, like a drop-down.
• Image slideshows, such as for rotating ads.
• AJAX requests, where we can run server-side scripts and insert the response into our web page without reloading the page.
• Form validation, though there should also be server-side form validation in case users have blocked their browser from running client-side scripts.

Anywhere on a page that changes when you interact with a element, if it doesn't refresh the page then it is almost certainly a result of client-side scripting.

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