Web Reference: Using comments to prevent execution of code is suitable for code testing. Adding // in front of a code line changes the code lines from an executable line to a comment. JavaScript comments are annotations in the code that are completely ignored by JavaScript engines. In this tutorial, you will learn about JavaScript comments with the help of examples. Learn how to use JavaScript comments to document your code and make it more understandable with this tutorial by Ability Coding. Discover best practices for improving code readability.
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