js函数节流不使用定时器的版本
<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <title>测试代码</title> </head> <body> <input id="btn" type="button" value="点击" onclick="valid()" /> <script type="text/javascript"> //让按钮间隔3秒执行,防止用户狂点击 var f1 =function(){ var timeLag; var result=false; return function(){ !timeLag&&(timeLag=+new Date()); if(timeLag != +new Date()&&(+new Date() - timeLag)<3000) return; result=true; timeLag=+new Date(); return result; } }(); function valid(){ if(f1()){ console.log("执行成功") } } </script> </body> </html>