JS DOM Reference Manual

split()JavaScript String split() Method

separator The method splits the string into an array of substrings and then returns the new array.

The parameter determines where each split should be made.separatorIf a blank string ("") is used as

Syntax:

string.split(separator, limit)

Example

var str =39;Air Pollution is the introduction of chemicals to the atmosphere.39;;
var arr = str.split("　");

All browsers fully support the split() method:

Method
split()	Is	Is	Is	Is	Is

Parameter	Description
separator	(Required) Specify a character or regular expression to indicate where each split should occur.
limit	(Optional) An integer specifying the number of splits, items after the split limit will not be included in the array

Return value:	in the given stringseparatorString array split at each point
JavaScript Version:	ECMAScript 1

Now we arearrA new array has been added to the variable, and we can access each element using an index:

Example

arr[0];　　　//　Air
arr[2];　　　//　is

Use "i" as a separator:

Example

var str =39;Air Pollution is the introduction of chemicals to the atmosphere.39;;
var arr = str.split("i");

Split each character:

Example

var str =39;Air Pollution is the introduction of chemicals to the atmosphere.39;;
var arr = str.split("");

Return a limited number of splits:

Example

var str =39;Air Pollution is the introduction of chemicals to the atmosphere.39;;
var arr = str.split("　",　4);