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javascript的push使用指南_基础知识

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Release： 2016-05-16 16:28:54
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push() 方法可向数组的末尾添加一个或多个元素，并返回新的长度。返回值为把指定的值添加到数组后的新长度。
语法：arrayObject.push(newelement1,newelement2,....,newelementX)
参数newelement1，必需。要添加到数组的第一个元素。
参数newelement2，可选。要添加到数组的第二个元素。
参数newelementX，可选。可添加多个元素。

push() 方法可把它的参数顺序添加到 arrayObject 的尾部。它直接修改 arrayObject，而不是创建一个新的数组。push() 方法和 pop() 方法使用数组提供的先进后出栈的功能。该方法会改变数组的长度。

示例：

复制代码代码如下:











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