Block comments are often used for formal documentation. 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 …

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

Dec 11, 2023 · Writing comments in JavaScript is crucial for code readability, maintainability, and developer collaboration. Comments serve as notes within the codebase, explaining its functionality …

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 …

Sep 22, 2023 · In this article, we have gone over what comments are and how to create them in JavaScript. We have looked at different types of comments - single-line and multi-line comments, as …

Multi-line comments, widely known as block comments, start with /* and end with */. If you know CSS, then you're already familiar with block-level comments. JavaScript will ignore any text between the /* …

The comment block is formatted as a JSDoc comment, commonly used for documenting functions, parameters, and return values in JavaScript. This format can be parsed by documentation generation …

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 …

Feb 22, 2023 · Press Shift + Alt + A (Windows) or Shift + Option + A (macOS) to add a block comment (use your mouse to select that block). If a block of code is commented out, you can uncomment it by …

Aug 30, 2021 · Block-level comments, or multi-line comments, are long-form annotations used to introduce and explain a section of code. Often these types of comments are placed at the top of a …