標籤：
需求來自於csdn問答，可以利用這個原理做秒殺搶單外掛。
程式碼範例如下：
<html><head> <meta charset="utf-8"/> <script type="text/javascript"> var count = 10; var sh; function counter(){ sh = setInterval(jishi,1000); } function jishi(){ var btn = document.getElementById("btn"); btn.innerHTML = "倒計時"+(--count)+"秒"; if(count == 0){ btn.disabled = false; btn.innerHTML = "開始點擊"; clearInterval(sh); btn.onclick = function(){ var result = document.getElementById("result"); setInterval(function(){ //執行點擊操作 result.innerHTML = "您點擊了："+(count++)+"次"; },100); }; btn.click(); } } window.onload = counter; </script></head><body> <button id="btn" disabled="disabled">倒計時10秒</button> <span id="result"></span></body></html>
js實現類比自動點擊按鈕，並且在10秒倒計時之後瘋狂點擊
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