What is the comment statement of jquery

There are two types of jquery comment statements: 1. Single-line comment statements, the syntax is "//comment content"; all content after "//" will be regarded as the content of the comment and will not be parsed, but will be Content before "//" will not be affected. 2. Multi-line comment statements, the syntax is "/* comment content */"; any characters contained between "/*" and "*/" will be regarded as comment text and will be ignored by the browser.

The operating environment of this tutorial: windows7 system, jquery3.6.0 version, Dell G3 computer.

There are two types of jquery comment statements:

• Single-line comment statements

• Multi-line comments Statement

1. Single-line comment statement

Single-line comment: Use "//" to make a single-line comment;" All content after "//" will be regarded as comment content, and the content before "//" will not be affected.

//这是一行注释，只能注释单行。
$(document).ready(function() {
	$("button").click(function() {
		// $("textarea").prop("readonly",true);
	});
});

Use single-line comments At this time, any characters or codes in the same line after // will be ignored and will not be parsed.

2. Multi-line comment statements

Multi-line comments: Use "/* */" to make multi-line comments; appear in " All content between "/*" and "*/" will be regarded as the content of the comment.

Multi-line comments, usually at the beginning of the file, introduce author, function and other information.

/*
  给按钮元素绑定点击事件
  点击按钮，让文本框只读
 */
$(document).ready(function() {
	/*$("button").click(function() {
		$("textarea").prop("readonly",true);
	});*/
});

In multi-line comments, any characters contained between the /* and */ symbols will be regarded as comment text and will be ignored by the browser.

[Recommended learning: jQuery video tutorial, web front-end development]

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