$.each的用法

jQuery中$.each的用法

var arr1 = [ "one", "two", "three", "four", "five" ]; $. each(arr1, function(){ alert(this); }); 输出：one two three four five var arr2 = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] $. each(arr2, function(i, item){ alert(item[0]); }); 输出：1 4 7 var obj = { one:1, two:2, three:3, four:4, five:5 }; $. each(obj, function(key, val) { alert(obj[key]); }); 输出：1 2 3 4 5