array构造函数-阿里云

在JavaScript中，可以使用数组字面量或Array构造函数来创建一个数组对象

在JavaScript中，可以使用数组字面量或Array构造函数来创建一个数组对象。以下是两种常见的方法：使用数组字面量： var arr = [1, 2, 3, 4, 5]; 这是最简单的方式，直接使用方括号[]将元素括起来，并用逗号,分隔每个元素。使用Array构造函数： var arr ...

Array 构造函数只有一个参数值时的表现？

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更新时间 2024-04-29 21:42:06

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