url的编码问题详解编程语言

var url = 'folder/index.html?param=#23dd&noob=yes';  
 
var encodedUrl = encodeURIComponent(url);

var url = 'folder%2Findex.html%3Fparam%3D%2323dd%26noob%3Dyes';  
 
var decodedUrl = decodeURIComponent(url);

$str=urlencode ($url );//编码 
 
$url=urldecode($str);//解码