js setInterval()的用法实例

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Release： 2016-06-01 09:55:03

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语法
setInterval(code,millisec[,"lang"])
参数   描述
code   必需。要调用的函数或要执行的代码串。
millisec   必须。周期性执行或调用 code 之间的时间间隔，以毫秒计。
返回值一个可以传递给Window.clearInterval()从而取消对code的周期性执行的值。

实例

<code><input id="clock" size="35" type="text">
<script type="text/javascript">
function clock() {     
  var t=new Date();     
  document.getElementById("clock").value=t
}
var int=setInterval("clock()",50);
</script>
<button onclick="window.clearInterval(int)">Stop interval</button></code>

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Related labels：

setinterval settimeout

source：php.cn

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