Map.prototype.delete()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
El método delete()
de las instancias Map
remueve el elemento especificado de este map utilizando la llave del elemento que se quiere remover.
Pruébalo
const map1 = new Map();
map1.set("bar", "foo");
console.log(map1.delete("bar"));
// Expected result: true
// True indicates successful removal
console.log(map1.has("bar"));
// Expected result: false
Sintaxis
js
mapInstance.delete(key)
Parámetros
key
-
La llave de el elemento que se va a remover del objeto
Map
.
Valor devuelto
true
si un elemento en el objeto Map
existía y fué removido, o false
si el elemento no existe.
Ejemplos
Usando delete()
js
const myMap = new Map();
myMap.set("bar", "foo");
console.log(myMap.delete("bar")); // Regresa true. Removido exitosamente.
console.log(myMap.has("bar")); // Regresa false. El elemento "bar" ya no esta presente.
Especificaciones
Specification |
---|
ECMAScript® 2025 Language Specification # sec-map.prototype.delete |
Compatibilidad con navegadores
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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delete |
Legend
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- Full support
- Full support
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