,false,false]–> Comprehensive CSS (.css): Use /Comment here / JavaScript (.js): Use // Comment here or / Comment here */ Common Reasons Your Comments Fail 1. Mismatched File Types

Putting HTML comments inside a CSS style sheet or a JavaScript file will trigger syntax errors. Compilers and browsers will try to read the comment as actual code commands. 2. Nested Comments

Most languages do not support nesting comments inside each other. For example, placing –> will break the HTML parser because it stops reading at the very first closing tag. 3. Stray Characters

Typing a comma, period, or space inside the opening or closing syntax tags will invalidate the comment. Broken: < !– Comment –> (Extra space) Fixed: 4. Inline Script Issues

If you are writing JavaScript inside an HTML file using