Web/JavaScript/Reference/Global objects/Symbol/split

The Symbol.split well-known symbol specifies the method that splits a string at the indices that match a regular expression. This function is called by the String.prototype.split() method.

For more information, see RegExp.prototype[@@split]() and String.prototype.split().

The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

Property attributes of Symbol.split
Writable	no
Enumerable	no
Configurable	no

Examples

Custom reverse split

class ReverseSplit {
  [Symbol.split](string) {
    const array = string.split(' ');
    return array.reverse();
  }
}

console.log('Another one bites the dust'.split(new ReverseSplit()));
// expected output: [ "dust", "the", "bites", "one", "Another" ]

Specifications

Specification
ECMAScript (ECMA-262)The definition of 'Symbol.split' in that specification.

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet	Node.js
split	Chrome Full support 50	Edge Full support 79	Firefox Full support 49	IE No support No	Opera Full support 37	Safari Full support 10	WebView Android Full support 50	Chrome Android Full support 50	Firefox Android Full support 49	Opera Android Full support 37	Safari iOS Full support 10	Samsung Internet Android Full support 5.0	nodejs Full support 6.0.0

Legend

Full support  

Full support

No support  

No support

See also

• Symbol.match
• Symbol.replace
• Symbol.search
• RegExp.prototype[@@split]()

Symbol.split by Mozilla Contributors is licensed under CC-BY-SA 2.5.