How to make HTML code inactive with comments

Question

I have some HTML code on a page that I don\'t want to erase, but make inactive for the short term. How can I make the browser ignore parts of the page in the same way the

Answer 1

HTML Comments:

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CSS Comments:

/* This style will not apply */

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JavaScript Comments:

// This single line JavaScript code will not execute

OR

/*
   The whole block of JavaScript code will not execute
*/

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