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.

May 22, 2022 · An important sign of a good developer is comments: their presence and even their absence. Good comments allow us to maintain the code well, come back to it after a delay and use it …

Write clear, purposeful JavaScript comments to explain logic, disable code, and document functions. Use // for single lines and /* */ for blocks.

Jul 11, 2025 · We can use // or /*...*/ to change the JavaScript code execution using comments. JavaScript Comments are used to prevent code execution and are considered suitable for testing the …

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 all about JavaScript comments, including single-line and multi-line comments, with examples and best practices for effective coding.

Comments in JavaScript are used to explain code, make notes, or temporarily disable parts of code. Comments are ignored by the JavaScript engine when executing the script.

In JavaScript, you create a multiline comment by using /* to start the comment and */ to end it. Everything between these markers won't be treated as code by the computer, no matter how many …

In JavaScript, comments can help you explain what your code does, making it easier for others (or yourself at a later date) to understand your code. Comments are ignored by the JavaScript engine …

Learn how to create and use single-line and multi-line comments in JavaScript to improve code readability and maintainability.