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:

Multi-line Comments Multi-line comments start with /* and end with */. Any text between /* and */ will be ignored by JavaScript.

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Single or multi-line comments? It's up to you which one you use. Normally, we use // for short comments, and /* */ for longer.

Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

In languages that support multi-line comments, you can place a comment in the middle of a statement. This is sometimes used to quickly change a value or logic for testing.

Comments are also great for debugging HTML, because you can comment out HTML lines of code, one at a time, to search for errors.

Definition and Usage The comment tag is used to insert comments in the source code. Comments are not displayed in the browsers. You can use comments to explain your code, which can help you …

Comments in Rust Comments can be used to explain code, and to make it more readable. It can also be used to prevent execution when testing alternative code. Comments can be singled-lined or multi-lined.

Single or multi-line comments? It is up to you which you want to use. Normally, we use // for short comments and /* */ for longer comments. Good to know: Before C99 (released in 1999), you could …