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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.
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