| JAVASCRIPT特效~~事件处理等待 |
| 作者/Circle 时间/2006-2-7 8:59:00 类别/设计编程 查看/ |
| 标签:设计 编程 |
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事件处理等待 脚本说明: 把如下代码加入<body>区域中 <script language="javascript"> function do_totals1() { document.all.pleasewaitScreen.style.pixelTop = (document.body.scrollTop + 50); document.all.pleasewaitScreen.style.visibility="visible"; window.setTimeout('do_totals2()',1); } function do_totals2() { lengthy_calculation(); document.all.pleasewaitScreen.style.visibility="hidden"; } function lengthy_calculation() { var x,y for(x=0;x<1000000;x++) { y += (x * y) / (y - x); } } </script> <DIV ID="pleasewaitScreen" STYLE="position:absolute;z-index:5;top:30%;left:42%;visibility:hidden"> <TABLE BGCOLOR="#000000" BORDER="1" BORDERCOLOR="#000000" CELLPADDING="0" CELLSPACING="0" HEIGHT="100" WIDTH="150" ID="Table1"> <TR> <TD WIDTH="100%" HEIGHT="100%" BGCOLOR="silver" ALIGN="CENTER" VALIGN="MIDDLE"> <FONT FACE="Arial" SIZE="4" COLOR="blue"><B>正在处理中<br> 请稍等...</B></FONT> </TD> </TR> </TABLE> </DIV> <p align="center"> <input type="button" name="btn_calc" value="处理等待" onclick="do_totals1()"> </p> |
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