Symbol.split - JavaScript 编辑

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.

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

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See also

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