<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en"
"http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>jquery $.each遍历json数组方法</title>
<script type="text/javascript" src="jquery.js"></script>
</head>
<body>
<script>
var arr = [{ name: "john", lang: "js" },{ name: "nailwl", lang: "jquery" },{ name: "吴磊", lang: "ext" }];
$.each( arr, function(index, content)
{
alert( "the man's no. is: " + index + ",and " + content.name + " is learning " + content.lang );
});
</script>
</body>
</html>
</body>
</html>
$.each( [0,1,2], function(index, content){
alert( "item #" + index + " its value is: " + content );
});
jquery.each=function( obj, fn, args ) {
if ( args ) {
if ( obj.length == undefined ){
for ( var i in obj )
fn.apply( obj, args );
}else{
for ( var i = 0, ol = obj.length; i < ol; i++ ) {
if ( fn.apply( obj, args ) === false )
break;
}
}
} else {
if ( obj.length == undefined ) {
for ( var i in obj )
fn.call( obj, i, obj );
}else{
for ( var i = 0, ol = obj.length, val = obj[0]; i < ol && fn.call(val,i,val) !== false; val = obj[++i] ){}
}
}
return obj;
}
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