文本框中要顯示數(shù)值的寫(xiě)法
內(nèi)容五個(gè)字
慕尼黑1441384
2020-08-02
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2020-08-02
<!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">
? var num=0;
? function startCount() {
? ? document.getElementById('count').value=num;
? ? num=num+1;
? ? var time= setTimeout("startCount()",1000)?
? }
//? ?document.getElementById('count').value=time;
</script>
</head>
<body>
<form>
<input type="text" id="count" />
<input type="button" value="Start" onClick="startCount()" />
</form>
</body>
</html>