JavaScript split() 方法

核心提示：Definition and Usage定义与用法The split() method is used to split a string into an array of strings.split()方法用于将一个字符串分解成一个数组对象，Syntax语法stringObject.split(separator,

Definition and Usage

定义与用法

The split() method is used to split a string into an array of strings.

split()方法用于将一个字符串分解成一个数组对象。

Syntax

语法stringObject.split(separator, howmany)

Parameter 参数	Description 注释
separator 分隔符	Required. Specifies the character, regular expression, or substring that is used to determine where to split the string 必选项。指定的字符，字符串或正则表达式，作为分解用的分隔符
howmany 次数	Optional. Specify how many times split should occur. Must be a numeric value 可选项。指定分解的次数

Tips and Notes

注意

Note: If an empty string ("") is used as the separator, the string is split between each character.

注意：如果用空字符（""）作为分隔符号，字符串将被分解成每个所包含的字符所组成的数组。

Example

实例

In this example we will split up a string in different ways:

在本例中，我们将用两种不同的方法分解一个字符串：

<script type="text/javascript">
var str="How are you doing today?"
document.write(str.split(" ") + "<br />")
document.write(str.split("") + "<br />")
document.write(str.split(" ",3))
</script>

The output of the code above will be:

输出结果为：

How,are,you,doing,today?
H,o,w, ,a,r,e, ,y,o,u, ,d,o,i,n,g, ,t,o,d,a,y,?
How,are,you