多浏览器兼容用javascript获取url参数的方法比较推荐的一种

多浏览器兼容用javascript获取url参数的方法比较推荐的一种

<script language = javascript> 
function request(paras){ 
var url = location.href;  
var paraString = url.substring(url.indexOf("?")+1,url.length).split("&");  
var paraObj = {}  
for (i=0; j=paraString[i]; i++){  
paraObj[j.substring(0,j.indexOf("=")).toLowerCase()] = j.substring(j.indexOf("=")+1,j.length);  
}  
var returnValue = paraObj[paras.toLowerCase()];  
if(typeof(returnValue)=="undefined"){  
return "";  
}else{  
return returnValue;  
}  
} 
var theurl=request('url'); 
var theimg=request('img'); 
document.writeln("<a href='"  + theurl + "' target=_blank><img src=" + theimg + " width=750 height=450 border=0></a>"); 
</script>

　　

function request(paras){ 
var url = location.href;  
var paraString = url.substring(url.indexOf("?")+1,url.length).split("&");  
var paraObj = {}  
for (i=0; j=paraString[i]; i++){  
paraObj[j.substring(0,j.indexOf("=")).toLowerCase()] = j.substring(j.indexOf("=")+1,j.length);  
}  
var returnValue = paraObj[paras.toLowerCase()];  
if(typeof(returnValue)=="undefined"){  
return "";  
}else{  
return returnValue;  
}  
}