<body> <input type="button" onClick="testbtn()" value="测试按钮"> <script> var b1 = true; function testbtn() { if (b1 == true) { b1 = false; setTimeout(function(){ b1 = true; }, 1500); console.log(b1); console.log("0000"); } } </script> </body>
原文：https://www.cnblogs.com/enych/p/9223746.html