管理资源吧首页>>>教程>>>编程>>>JavaScript教程>>>

Js倒计时代码，当鼠标离开页面与回到页面会自动停止与开始

<title>根据鼠标判断时间：Js倒计时</title> 
<input type="button" id="downloadbtn" class="meng1an" onclick='if(timeout>0) {alert("停止计时");return false;}document.location="#"; this.disabled=true;'> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" _ewebeditor_fake_value="%3Cscript%20type%3D%22text%2Fjavascript%22%3E%20%0D%0A%3C!--%20%0D%0Avar%20timeCount%20%0D%0Avar%20timeout%3D'10'%3B%20%0D%0Afunction%20countdown()%20%0D%0A%7B%20%0D%0Aif%20(timeout%20%3C%3D%200)%20%0D%0A%7B%20%0D%0Adocument.getElementById(%22downloadbtn%22).value%20%3D%20'%E6%97%B6%E9%97%B4%E5%88%B0'%3B%20%0D%0Aif(document.getElementById(%22downloadfile%22))document.getElementById(%22downloadfile%22).style.display%20%3D%20''%3B%20%0D%0A%7D%20%0D%0Aif%20(timeout%20%3E%200)%20%0D%0A%7B%20%0D%0Adocument.getElementById(%22downloadbtn%22).value%20%3D%20'%E8%BF%98%E6%9C%89%20'%2Btimeout%2B'%20%E7%A7%92'%3B%20%0D%0AtimeCount%20%3D%20setTimeout('countdown()'%2C1000)%3B%20%0D%0A%7D%20%0D%0Atimeout--%3B%20%0D%0A%7D%20%0D%0Acountdown()%3B%20%0D%0Adocument.onmouseover%3D%20function()%7BclearTimeout(timeCount)%3Bcountdown()%3B%7D%20%0D%0Adocument.onmouseout%3D%20function()%7BclearTimeout(timeCount)%3B%7D%20%0D%0A--%3E%20%0D%0A%3C%2Fscript%3E">

　　 [Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

教程首页更多教程