且构网

分享程序员开发的那些事...
且构网 - 分享程序员编程开发的那些事

新的价值添加JavaScript中现有阵列

更新时间:2023-12-01 09:27:04

您不需要的jQuery了点。使用常规的JavaScript

You don't need jQuery for that. Use regular javascript

var arr = new Array();
// or var arr = [];
arr.push('value1');
arr.push('value2');

请注意:在JavaScript中,你也可以使用对象为数组,但仍可以访问阵列原型。这使得对象的行为像一个数组:

Note: In javascript, you can also use Objects as Arrays, but still have access to the Array prototypes. This makes the object behave like an array:

var obj = new Object();
Array.prototype.push.call(obj, 'value');

将创建一个对象,看起来像:

will create an object that looks like:

{
    0: 'value',
    length: 1
}

您可以访问vaules就像一个正常的阵列f.ex OBJ [0]

You can access the vaules just like a normal array f.ex obj[0].