Mar 19, 2025 · In general, use single-line comments to comment code. Writers must mark each line of the comment with // , so that it's easier to notice commented-out code visually. In addition, this convention allows to comment out sections of code using /* … */ while debugging.

The term comment always refers to implementation comments. We do not use the phrase documentation comments, instead using the common term “JSDoc” for both human-readable text and machine-readable annotations within /** … */. This Style Guide uses RFC 2119 terminology when using the phrases must, must not, should, should not, and may.

JavaScript comments can be used to explain JavaScript code, and to make it more readable. JavaScript comments can also be used to prevent execution, when testing alternative code.

JavaScript Coding Conventions. Coding conventions are style guidelines for programming. They typically cover: Naming and declaration rules for variables and functions. Rules for the use of white space, indentation, and comments. Programming practices and principles. Coding conventions secure quality: Improve code readability; Make code ...

To add simple onliners as comments, the // is still a good way to comment your code. But for generating documentation, I’d go with the JSDoc syntax. I have used it in the past and it works quite well. Comments in JavaScript are divided into …

Mar 28, 2023 · 9. Comments: Use line comments, not block comments. The comments should start at the left margin. Use ‘//’ in start of comments.

May 22, 2022 · As we know from the chapter Code structure, comments can be single-line: starting with // and multiline: /* ... We normally use them to describe how and why the code works. At first sight, commenting might be obvious, but novices in programming often use them wrongly.

Dec 11, 2023 · In this article, I will explain the significance of commenting your code, best practices to follow, and examples showcasing effective commenting in JavaScript. Comments provide clarity to code, making it easier for developers to understand the …

Nov 15, 2024 · Comments help explain code (they are not executed and hence do not have any logic implementation). We can also use them to temporarily disable parts of your code. 1. Single Line Comments. A single-line comment in JavaScript is denoted by two forward slashes (//), // A single line comment console.log("Hello Geeks!"); Hello Geeks! 2.

Jan 16, 2025 · To maximize the effectiveness of your comments, consider the following best practices: Use Meaningful Names: Naming conventions should be intuitive. This reduces the need for extensive comments explaining variable and function purposes. Limit Commenting: Avoid excessive commenting. Too many comments can clutter code and detract from its ...