How are comments used in a JavaScript program?
JavaScript comments are used to write notes in your code or to disable sections of code without deleting them. Comments are made in JavaScript by adding // before a single line, or /* before and */ after multiple lines. Commenting on code is a core feature of a number of programming languages.
Are there HTML comments inside script tags a best practice?
HTML comment is added in the
Is it bad to have explanatory comments in JavaScript?
In reality, we can’t totally avoid “explanatory” comments. There are complex algorithms. And there are smart “tweaks” for purposes of optimization. But generally we should try to keep the code simple and self-descriptive. So, explanatory comments are usually bad. Which comments are good?
Which is the best way to make a comment?
It is defined simply * to have something to inherit from for geometric * subclasses * @constructor */ function Shape (color) { this.color = color; } var something = 10; // My comment /* Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
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. Single line comments start with //. Any text between // and the end of the line will be ignored by JavaScript (will not be executed).
When to use multi line comments in JavaScript?
Multi-line Comments. Multi-line comments start with /* and end with */. Any text between /* and */ will be ignored by JavaScript. This example uses a multi-line comment (a comment block) to explain the code:
How to modify regex for match / replacing JavaScript comments?
Modify for whatever language you are using to parse Javascript. All the answer come with fit fall so I write something that just work, try it out:
When to use comments in front of code?
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 executable line to a comment. document.getElementById(“myP”).innerHTML = “My first paragraph.”;