延迟1s

源自：8-5 计时器setTimeout()

延迟1s

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>计时器</title>
</head>
<script type="text/javascript">
  var num=0;
  function startCount() {
    document.getElementById('count').value=num;
    num=num+1;
    setTimeout("startCount()",1000);
  }
    setTimeout("startCount()",0);
</script>
</head>
<body>
<form>
<input type="text" id="count" />
</form>
</body>
</html>

提问者：Alyssa_Lee 2014-12-10 14:48

个回答

星空学者

2015-12-25 14:53:28

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>计时器</title>
</head>
<script type="text/javascript">
  var num=0;
  function startCount() {
    document.getElementById('count').value=num;
    num=num+1;
    setTimeout("startCount()",500);
  }
    setTimeout("startCount()",500;
</script>
</head>
<body>
<form>
<input type="text" id="count" />
</form>
</body>
</html>

0