The ExtendScript Toolkit (ESTK) 3.5 is a development and debugging tool.
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The ExtendScript Toolkit (ESTK) 3.5 is a development and debugging tool for JavaScript scripts included with Adobe Creative Suite 5 and applications such as Bridge, Photoshop, Illustrator, InDesign, and After Effects.
The ESTK has many features that make it easier to use than a text editor, including a built-in syntax checker that identifies where the problems are in your script and tries to explain how to fix them, and the ability to run your scripts right from the ESTK without saving the file.
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