ÓÃJavaScript»ñÈ¡QueryString£¨Î´²â£©
function QueryString(fieldName){
var urlString = location.search;
if (urlString != null) {
var typeQu = fieldName + "=";
var urlEnd = urlString.indexOf(typeQu);
if (urlEnd != -1) {
var paramsUrl = urlString.substring(urlEnd + typeQu.length);
var isEnd = paramsUrl.indexOf('&');
if (isEnd != -1) {
return paramsUrl.substring(0, isEnd);
}
else {
return paramsUrl;
}
}
return null;
}
}
Ïà¹ØÎĵµ£º
<script type="text/javascript">
window.onbeforeunload=function()
{
alert("onbeforeunload event...");
//return false;
}
</script>
<a href="#" onclick="return true;">²âÊÔ1</a><br/>
<a href="javascript:void(0)" onclick="return true;">²âÊÔ2</a><br/& ......
javaScript
ÖÐµÄ call
() ÊÇÒ»¸öÆæÃîµÄ·½·¨£¬µ«Ò²ÊÇÒ»¸öÈÃÈËÃÔ»óµÄ·½·¨£¬ÏÈ¿´Ò»Ï¹ٷ½µÄ½âÊÍ£º
call
·½·¨
Çë²ÎÔÄ
Ó¦ÓÃÓÚ£ºFunction ¶ÔÏó
񻂗
°æ±¾ 5.5
µ÷ÓÃÒ»¸ö¶ÔÏóµÄÒ»¸ö·½·¨£¬ÒÔÁíÒ»¸ö¶ÔÏóÌæ»»µ±Ç°¶ÔÏó¡£
call
([thisObj[,arg1[, arg2[, [,.argN]]]]])
²ÎÊý
thisObj
¿ÉÑ¡Ïî¡£½«±»ÓÃ×÷µ±Ç ......
1£© Ϊʲô¼ÓÔØjavascriptÎļþºÜÖØÒª£¿
javascriptÎļþÊDZȽÏÌØÊâµÄ£¬ÒòΪä¯ÀÀÆ÷¼ÓÔØjavascriptÊÇ´®Ðеġ£ÒÔΪ×ÅÔÚ¼ÓÔØJavascriptÎļþµÄʱºò£¬ÆäËûÒ»ÇÐ×ÊÔ´µÄÏÂÔØ°üÀ¨Ò³ÃæµÄÏÔʾ¶¼»á±»×èÈû¡£
2£© ÈçºÎÕýÈ·µÄ¼ÓÔØJavaScript£¿
a. ½«JavaScriptÎļþ·ÅÔÚÒ³ÃæµÄ×îºó
ÒòΪJavaScriptµÄ¼ÓÔØ»á×èÈûÒ³ÃæµÄÏÔʾ£¬ËùÒÔ½«JavaScrip ......