fmpq.com
源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> <style> label { display: block; margin: .5em; } </style> </head> <body> <label><input type="checkbox" name="foo"> Foo</label> <label><input type="checkbox" name="bar"> Bar</label> <script> $(function () { $.fn.extend({ check: function() { return this.each(function() { this.checked = true; }); }, uncheck: function() { return this.each(function() { this.checked = false; }); } }); // 使用新创建的.check() 方法 $( "input[type='checkbox']" ).check(); }) </script> </body> </html>
运行结果