点击运行
<html> <head> <script type="text/javascript"> function timedText() { var t1=setTimeout("document.getElementById('txt').value='2 seconds!'",2000) var t2=setTimeout("document.getElementById('txt').value='4 seconds!'",4000) var t3=setTimeout("document.getElementById('txt').value='6 seconds!'",6000) } </script> </head> <body> <form> <input type="button" value="显示计时的文本！" onClick="timedText()"> <input type="text" id="txt"> </form> <p>在按钮上面点击。输入框会显示出已经流逝的 2、4、6 秒钟。</p> </body> </html>
运行结果
