JavaScript editor

You can use the JavaScript™ editor to create, edit, and preview JavaScript files. The JavaScript editor also provides features such as content assist, syntax highlighting, and hover help.
The JavaScript editor provides a Source page and a Preview page. For Windows The Preview page is only available for Windows®.
Source
The Source page enables you to view and work with a file's source code directly. The Outline view has features that supplement the Source page.
Preview
Preview shows you how the current page is likely to look when viewed in Microsoft® Internet Explorer (by default). To preview any dynamic content, you should use the Run > Run on Server option from the page's pop-up menu in the Project Explorer view.
The JavaScript editor has the following features:
Related concepts
Page Designer
Quick Edit view
Related tasks
Creating JavaScript files
Editing JavaScript files
Previewing JavaScript code

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