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The setTimeout() method is used to call a function or evaluate an expression after a specified number of milliseconds.
setTimeout()方法可用来在每个指定毫秒间隔后调用一个函数或是表达式
setTimeout(code,millisec,lang) |
Parameter 参数 | Description 描述 |
---|---|
code | Required. A pointer to a function or the code to be executed 必选。指定函数或是要执行的代码 |
millisec | Required. The number of milliseconds to wait before executing the code 必选。执行代码所要等待的毫秒数 |
lang | Optional. The scripting language: JScript | VBScript | JavaScript 可选。脚本语言类型 |
<html> <head> <script type="text/javascript"> function timedMsg() { var t=setTimeout("alert('5 seconds!')",5000) } </script> </head> <body> <form> <input type="button" value="Display timed alertbox!" onClick="timedMsg()"> </form> <p>Click on the button above. An alert box will be displayed after 5 seconds.</p> </body> </html> |
Simple timing
简单的计时
Another simple timing
另一种计时
Timing event in an infinite loop
循环计时
Timing event in an infinite loop - with a Stop button
带停止按钮的循环计时
A clock created with a timing event
建立一个时钟的效果。