How to use split in js

JavaScript's split() method splits a string into an array, bounded by delimiters. The syntax is: string.split(separator). The separator parameter can be a character, string, or regular expression. The return value is an array containing the split substrings.

##split Usage of method in JavaScript

JavaScript’s

split( ) method is used to split a string into an array of substrings. It takes a delimiter as a parameter and extracts the substring after each delimiter in the string.

Syntax:

<code>string.split(separator)</code>

Parameters:

• separator: used to separate characters String delimiter. Can be a character, string, or regular expression.

Return value:

An array containing split substrings.

Example:

<code>const str = "Hello, world!";

// 以逗号分隔
const arr1 = str.split(','); // ['Hello', ' world!']

// 以空格分隔
const arr2 = str.split(' '); // ['Hello', ',', 'world', '!']

// 以正则表达式分隔
const arr3 = str.split(/\s+/); // ['Hello', 'world!']</code>

Other usage:

• Limit the number of divisions:Yes Limit the number of substrings split by specifying the second parameter in the split() method.

<code>const arr4 = str.split(' ', 2); // ['Hello', 'world!']</code>

• Use regular expressions: You can use regular expressions for more complex segmentation.

<code>const arr5 = str.split(/\s*(,|\s)\s*/); // ['Hello', '', 'world!']</code>

• Empty delimiter: If the delimiter is an empty string, split the string into an array of single characters.

<code>const arr6 = str.split(''); // ['H', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '!']</code>

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