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
·ÃÎʿؼþµÄÖ÷Òª¶ÔÏóÊÇ:document¶ÔÏó¡£·Ö±ð¶ÔÓ¦µ±Ç°ÎĵµËùÓеģ¨×Ó¶ÔÏ󣩸öÈ˹۵㡣²¢ÇÒÒѾÌṩµÄ¼¸¸öÖ÷Òª·½·¨À´·ÃÎʶÔÏó¡£
1. document.getElementById
2. document.getElementsByName
3 &n ......
javascriptµ÷Óø¸´°¿Ú£¨¸¸Ò³Ã棩µÄ·½·¨
window.parentÓëwindow.openerµÄÇø±ð javascriptµ÷ÓÃÖ÷´°¿Ú·½·¨
1£º window.parent ÊÇiframeÒ³Ãæµ÷Óø¸Ò³Ãæ¶ÔÏó
¾ÙÀý:
a.html
Html´úÂë
<html>
<head><title>¸¸Ò³Ãæ</title></head> &nb ......
var o = ['Äã', 'da', 'Äã', 123, 'fm', 'fm', 'da', 123, 'fm', 123];
var n = [];
var s = -1;
var t = null;
o.sort();
for(var i = 0; i < o.length; i++)
{
if(o[i] != t)
{
s += 1;
n[s] = [];
}
......
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 ......
String.prototype.Trim=function(){
returnthis.replace(/(^\s*)|(\s*$)/g,"");
}
String.prototype.LTrim=function(){
returnthis.replace(/(^\s*)/g,"");
}
String.prototype.RTrim=function(){
returnthis.replace(/(\s*$)/g,"");
} ......