停止后 怎樣再次點(diǎn)擊按鈕繼續(xù)運(yùn)行呢
<input type="button" value="點(diǎn)擊暫停" onclick="clearInterval(i)" />
慕碼人5044430
2020-05-09
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2020-06-08
<!DOCTYPE?HTML>
<html>
????<head>
????????<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
????????<title>計(jì)時(shí)器</title>
????????<script?type="text/javascript">
???????????function?clock(){
?????????????????var?time=new?Date();
?????????????????document.getElementById("clock").value?=?time;
???????????}
???????????var?i;
???????????function?start()?{???
?????????????i?=?setInterval("clock()",100);
???????????}
???????????i=setInterval("clock()",100);
????????</script>
????</head>
????<body>
??????<form>
??????????<input?type="text"?id="clock"?size="50"??/>
??????????<input?type="button"?value="Stop"?onclick="clearInterval(i)"?/>
??????????<input?type="button"?value="Start"?onclick="start()"?/>
??????????
??????</form>
????</body>
</html>
2020-05-31
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2020-05-31
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