[javascript] 實現陣列 key , value .

PHP:

var foo = [];

foo['alfa'] = "first item";

foo['beta'] = "second item";

for (var key in foo) {

console.log(key);

}

JQUERY:

var a = {};

a['alfa'] = 0;

a['beta'] = 1;

$.each(a, function(key, value) {

alert(key)

});

JAVASCRIPT:

var foo = {};

foo['alfa'] = "first item";

foo['beta'] = "second item";

for (var key in foo) {

console.log(key);

}