How can I run JavaScript code?

To execute JavaScript in a browser you have two options — either put it inside a script element anywhere inside an HTML document , or put it inside an external JavaScript file (with a . js extension) and then reference that file inside the HTML document using an empty script element with a src attribute.

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What is a fiddle code?

A fiddle site is a code playground or sandbox where developers can experiment with code without having to create sample projects in an IDE. Typically these websites feature: a code window with syntax highlighting. … the ability to share your code snippets via short URL.

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