Symbol.split
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2015.
El símbolo conocido como Symbol.split
especifica el método que divide una cadena en los índices que coinciden con una expresión regular. Esta función es llamada por el método String.prototype.split()
.
Para más información, véase RegExp.prototype[@@split]()
y String.prototype.split()
.
Pruébalo
class Split1 {
constructor(value) {
this.value = value;
}
[Symbol.split](string) {
const index = string.indexOf(this.value);
return `${this.value}${string.substring(0, index)}/${string.substring(
index + this.value.length,
)}`;
}
}
console.log("foobar".split(new Split1("foo")));
// Expected output: "foo/bar"
Atributos de la propiedad Symbol.split | |
---|---|
Sobrescribir | No |
Numerable | No |
Configurable | No |
Ejemplos
División inversa personalizada
js
class ReverseSplit {
[Symbol.split](string) {
const array = string.split(" ");
return array.reverse();
}
}
console.log("Another one bites the dust".split(new ReverseSplit()));
// resultado esperado: [ "dust", "the", "bites", "one", "Another" ]
Especificaciones
Specification |
---|
ECMAScript® 2025 Language Specification # sec-symbol.split |
Compatibilidad con navegadores
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
split |
Legend
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- Full support
- Full support
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.