Symbol.replace

The Symbol.replace static data property represents the well-known symbol Symbol.replace. The String.prototype.replace() and String.prototype.replaceAll() methods look up this symbol on their first argument for the method that replaces substrings matched by the current object.

For more information, see RegExp.prototype[Symbol.replace](), String.prototype.replace(), and String.prototype.replaceAll().

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Value

The well-known symbol Symbol.replace.

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

Examples

Using Symbol.replace

js
class CustomReplacer {
  constructor(value) {
    this.value = value;
  }
  [Symbol.replace](string) {
    return string.replace(this.value, "#!@?");
  }
}

console.log("football".replace(new CustomReplacer("foo"))); // "#!@?tball"

Specifications

Specification
ECMAScript Language Specification
# sec-symbol.replace

Browser compatibility

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See also