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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- saved from url=(0032)http://www.ie-zone.com/index.php --><HTML><!-- #BeginTemplate "/Templates/Js.dwt" --> <HEAD><!-- #BeginEditable "doctitle" --> <TITLE>事件追加函數(shù) [木木魚]</TITLE><!-- #EndEditable --> <META http-equiv=Content-Type content="text/html; charset=gb2312"><LINK href="../../fav.ico" rel="shortcut icon"><STYLE type=text/css>BODY { MARGIN: 25px 25px 25px}#all TD { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋體", "宋體"}INPUT { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋體", "宋體"}SELECT { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋體", "宋體"}P { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋體", "宋體"}TEXTAREA { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋體", "宋體"}#all A:active { COLOR: #7d070c}#all A:visited { COLOR: #7d070c}#all A:hover { COLOR: #336699}#all A:link { COLOR: #7d070c}</STYLE><SCRIPT language=JavaScript><!--function MM_goToURL() { //v3.0 var i, args=MM_goToURL.arguments; document.MM_returnValue = false; for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");}function JM_cc(ob){var obj=MM_findObj(ob); if (obj) { obj.select();js=obj.createTextRange();js.execCommand("Copy");}}function MM_findObj(n, d) { //v4.0 var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) { d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);} if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n]; for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); if(!x && document.getElementById) x=document.getElementById(n); return x;}//--></SCRIPT><META content="MSHTML 5.50.4134.600" name=GENERATOR></HEAD><BODY id=all text=#000000 bgColor=#336699><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0> <TR bgColor=#ffffff> <TD><IMG src="../images/sq_1.gif" width=11 height="14"></TD> <TD width="100%"></TD> <TD><IMG src="../images/sq_2.gif" width=11 height="14"></TD> </TR></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0> <TR bgColor=#ffffff> <TD><IMG src="../../images/space.gif" width=11 height="1"></TD> <TD width="100%"> <table width="100%" border="0" cellpadding="8"> <tr> <td align="center"> <script language="JavaScript">document.write("<font color=#7d070c style=\"font-size: 14px\">"+document.title+"</font>");</script> </td> </tr> <tr> <td bgcolor="#f7f7f7"><!-- #BeginEditable "example" --><font color="#990000">木木魚提示</font>:有沒有曾經(jīng)想過要追加語句到onload之類的handle中去，可是原來的語句就覆蓋了，煩人吧，用我寫的這個函數(shù)就可以了。我可是寫了一上午才搞定呀。 <!-- #EndEditable --></td> </tr> <tr> <td><!-- #BeginEditable "code" --><img src="imgs/step.gif" width="30" height="30"> 將下面的代碼復(fù)制到 <body> 或者 <head> 內(nèi) <input type="button" name="Button" value="復(fù)制到我的剪貼板" onClick=JM_cc('js_1')> <br> <form name="form1" method="post" action=""> <textarea name="js_1" wrap="VIRTUAL" cols="80" rows="10">function addSenToEventHandle(EHObj,insSen){ /*插入語句到已有事件句柄中，返回一個新的Function對象*/ var preSen; if (EHObj!=null){ preSen=EHObj.toString(); }else { preSen=""; } var reg=/^(function +[\w|\$|\.]+ *\([\w|\$|\,|\.]*\) *\{)([\W|\w]*)(\})$/; var preBody=preSen.replace(reg,"$2"); var newFunObj=new Function(preBody+insSen); return newFunObj; } /*for example:window.onload=addSenToEventHandle(window.onload,"alert('天吶');");*/ </textarea> </form> <br> <img src="imgs/step2.gif" width="30" height="30"> 無憂腳本追加介紹:<br> <table width="100%" border="0" cellspacing="0" cellpadding="7" bgcolor="#dddddd"> <tr> <td>我們通常會在頁面下載完畢時運行一些腳本，常見的用法是 window.onload=myFunctions; <br> 但當(dāng)我們添加新的 window.onload 事件時如添加 window.onload=my2Functions 到腳本執(zhí)行時就會發(fā)現(xiàn)只運行了 my2Functions 這個函數(shù).使用木木魚這個函數(shù)可以輕松解決這個問題，只需要把函數(shù)復(fù)制到你的頁面內(nèi)。<br> 在運行第二個或者第三四五六個相同事件觸發(fā)的時候，不要用 window.onload=my2Functions 改為用 window.onload=<font color="#990000">addSenToEventHandle(window.onload,my2Functions)</font>;</td> </tr> </table> <!-- #EndEditable --></td> </tr> </table> </TD> <TD><IMG src="../../images/space.gif" width=11 height="1"></TD> </TR></TABLE><TABLE cellSpacing=0 cellPadding=0 width="100%" border=0> <TR bgColor=#ffffff> <TD><IMG src="../images/sq_3.gif" width=11 height="14"></TD> <TD width="100%"></TD> <TD><IMG src="../images/sq_4.gif" width=11 height="14"></TD> </TR></TABLE></BODY><!-- #EndTemplate --></HTML>?? 快捷鍵說明
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