I know how to initliaize one but how do add I items to an Array? I heard it was push()
maybe? I can't find it...
I know how to initliaize one but how do add I items to an Array? I heard it was push()
maybe? I can't find it...
对于JavaScript数组,使用push()
.
var a = [];
a.push(12);
a.push(32);
对于jQuery对象,有add()
个.
$('div.test').add('p.blue');
请注意,虽然push()
会就地修改原始数组,但add()
会返回一个新的jQuery对象,而不会修改原始array.