閫氳繃浣跨敤 JavaScript錛屾垜浠湁鑳藉姏浣滃埌鍦ㄤ竴涓瀹氱殑鏃墮棿闂撮殧涔嬪悗鏉ユ墽琛屼唬鐮侊紝鑰屼笉鏄湪鍑芥暟琚皟鐢ㄥ悗绔嬪嵆鎵ц銆傛垜浠О涔嬩負(fù)璁℃椂浜嬩歡銆?/p>
鍦?JavaScritp 涓嬌鐢ㄨ鏃朵簨浠舵槸寰堝鏄撶殑錛屼袱涓叧閿柟娉曟槸:
- setTimeout()
- 鏈潵鐨勬煇鏃舵墽琛屼唬鐮?/dd>
- clearTimeout()
- 鍙栨秷setTimeout()
setTimeout()
璇硶
var t=setTimeout("javascript璇彞",姣)
setTimeout() 鏂規(guī)硶浼?xì)杩斿洖鏌愪釜鍊箋傚湪涓婇潰鐨勮鍙ヤ腑錛屽艱鍌ㄥ瓨鍦ㄥ悕涓?t 鐨勫彉閲忎腑銆傚亣濡備綘甯屾湜鍙栨秷榪欎釜 setTimeout()錛屼綘鍙互浣跨敤榪欎釜鍙橀噺鍚嶆潵鎸囧畾瀹冦?/p>
setTimeout() 鐨勭涓涓弬鏁版槸鍚湁 JavaScript 璇彞鐨勫瓧絎︿覆銆傝繖涓鍙ュ彲鑳借濡?"alert('5 seconds!')"錛屾垨鑰呭鍑芥暟鐨勮皟鐢紝璇稿 alertMsg()"銆?/p>
絎簩涓弬鏁版寚紺轟粠褰撳墠璧峰灝戞縐掑悗鎵ц絎竴涓弬鏁般?/p>
鎻愮ず錛?/span>1000 姣絳変簬涓縐掋?br />
clearTimeout()
璇硶
clearTimeout(setTimeout_variable)
渚嬪錛氬甫鏈夊仠姝㈡寜閽殑鏃犵┓寰幆涓殑璁℃椂浜嬩歡
<html>
<head>
<script type="text/javascript">
var c=0
var t
function timedCount()
{
document.getElementById('txt').value=c
c=c+1
t=setTimeout("timedCount()",1000)
}
function stopCount()
{
clearTimeout(t)
}
</script>
</head>
<body>
<form>
<input type="button" value="寮濮嬭鏃訛紒" onClick="timedCount()">
<input type="text" id="txt">
<input type="button" value="鍋滄璁℃椂錛? onClick="stopCount()">
</form>
<p>璇風(fēng)偣鍑諱笂闈㈢殑“寮濮嬭鏃?#8221;鎸夐挳鏉ュ惎鍔ㄨ鏃跺櫒銆傝緭鍏ユ浼?xì)涓鐩磋繘琛岃鏃訛紝浠?0 寮濮嬨傜偣鍑?#8220;鍋滄璁℃椂”鎸夐挳鍙互緇堟璁℃椂銆?lt;/p>
</body>
</html>
]]>