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3 changes: 2 additions & 1 deletion
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...dler/web-based_protocol_handlers/index.md → ...avigator/registerprotocolhandler/index.md
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...identifying_resources_on_the_web/index.md → ...identifying_resources_on_the_web/index.md
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files/es/web/javascript/reference/global_objects/map/clear/index.md
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,56 @@ | ||
| --- | ||
| title: Map.prototype.clear() | ||
| slug: Web/JavaScript/Reference/Global_Objects/Map/clear | ||
| l10n: | ||
| sourceCommit: 27180875516cc311342e74b596bfb589b7211e0c | ||
| --- | ||
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| {{JSRef}} | ||
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| El método **`clear()`** de las instancias {{jsxref("Map")}} remueve todos los elementos de este _map_. | ||
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| {{EmbedInteractiveExample("pages/js/map-prototype-clear.html")}} | ||
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| ## Sintaxis | ||
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| ```js-nolint | ||
| clear() | ||
| ``` | ||
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| ### Parámetros | ||
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| Ningúno. | ||
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| ### Valor devuelto | ||
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| Ningúno ({{jsxref("undefined")}}). | ||
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| ## Ejemplos | ||
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| ### Usando clear() | ||
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| ```js | ||
| const myMap = new Map(); | ||
| myMap.set("bar", "baz"); | ||
| myMap.set(1, "foo"); | ||
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| console.log(myMap.size); // 2 | ||
| console.log(myMap.has("bar")); // true | ||
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| myMap.clear(); | ||
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| console.log(myMap.size); // 0 | ||
| console.log(myMap.has("bar")); // false | ||
| ``` | ||
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| ## Especificaciones | ||
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| {{Specifications}} | ||
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| ## Compatibilidad con navegadores | ||
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| {{Compat}} | ||
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| ## Véase también | ||
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| - {{jsxref("Map")}} |
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files/es/web/javascript/reference/global_objects/map/delete/index.md
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| --- | ||
| title: Map.prototype.delete() | ||
| slug: Web/JavaScript/Reference/Global_Objects/Map/delete | ||
| l10n: | ||
| sourceCommit: 88d71e500938fa8ca969fe4fe3c80a5abe23d767 | ||
| --- | ||
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| {{JSRef}} | ||
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| El método **`delete()`** de las instancias {{jsxref("Map")}} remueve el elemento especificado de este _map_ utilizando la llave del elemento que se quiere remover. | ||
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| {{EmbedInteractiveExample("pages/js/map-prototype-delete.html")}} | ||
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| ## Sintaxis | ||
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| ```js-nolint | ||
| mapInstance.delete(key) | ||
| ``` | ||
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| ### Parámetros | ||
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| - `key` | ||
| - : La llave de el elemento que se va a remover del objeto `Map`. | ||
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| ### Valor devuelto | ||
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| `true` si un elemento en el objeto `Map` existía y fué removido, o `false` si el elemento no existe. | ||
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| ## Ejemplos | ||
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| ### Usando delete() | ||
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| ```js | ||
| const myMap = new Map(); | ||
| myMap.set("bar", "foo"); | ||
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| console.log(myMap.delete("bar")); // Regresa true. Removido exitosamente. | ||
| console.log(myMap.has("bar")); // Regresa false. El elemento "bar" ya no esta presente. | ||
| ``` | ||
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| ## Especificaciones | ||
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| {{Specifications}} | ||
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| ## Compatibilidad con navegadores | ||
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| {{Compat}} | ||
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| ## Véase también | ||
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| - {{jsxref("Map")}} |
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files/es/web/javascript/reference/global_objects/map/entries/index.md
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| --- | ||
| title: Map.prototype.entries() | ||
| slug: Web/JavaScript/Reference/Global_Objects/Map/entries | ||
| l10n: | ||
| sourceCommit: 27180875516cc311342e74b596bfb589b7211e0c | ||
| --- | ||
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| {{JSRef}} | ||
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| El método **`entries()`** de las instancias {{jsxref("Map")}} regresa un nuevo objeto _[iterador de mapa](/es/docs/Web/JavaScript/Reference/Global_Objects/Iterator)_ que contiene las tuplas `[llave, valor]` para cada elemento en este _map_ en orden de inserción. | ||
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| {{EmbedInteractiveExample("pages/js/map-prototype-entries.html")}} | ||
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| ## Sintaxis | ||
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| ```js-nolint | ||
| entries() | ||
| ``` | ||
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| ### Parámetros | ||
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| Ningúno. | ||
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| ### Valor devuelto | ||
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| Un nuevo [objeto de tipo iterator iterable](/es/docs/Web/JavaScript/Reference/Global_Objects/Iterator). | ||
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| ## Ejemplos | ||
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| ### Usando entries() | ||
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| ```js | ||
| const myMap = new Map(); | ||
| myMap.set("0", "foo"); | ||
| myMap.set(1, "bar"); | ||
| myMap.set({}, "baz"); | ||
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| const mapIter = myMap.entries(); | ||
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| console.log(mapIter.next().value); // ["0", "foo"] | ||
| console.log(mapIter.next().value); // [1, "bar"] | ||
| console.log(mapIter.next().value); // [Object, "baz"] | ||
| ``` | ||
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| ## Especificaciones | ||
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| {{Specifications}} | ||
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| ## Compatibilidad con navegadores | ||
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| {{Compat}} | ||
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| ## Véase también | ||
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| - {{jsxref("Map.prototype.keys()")}} | ||
| - {{jsxref("Map.prototype.values()")}} |
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files/es/web/javascript/reference/global_objects/map/get/index.md
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| --- | ||
| title: Map.prototype.get() | ||
| slug: Web/JavaScript/Reference/Global_Objects/Map/get | ||
| l10n: | ||
| sourceCommit: 3cfd663738e9963157d90f359789d675a6662ec2 | ||
| --- | ||
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| {{JSRef}} | ||
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| El método **`get()`** de las instancias de {{jsxref("Map")}} regresa un elemento específico de este _map_. Si el valor que esta asociado a la llave pasada como parámetro es un objeto, entonces obtendras una referencia a dicho objeto y cualquier cambio hecho a ese objeto, lo modificará también dentro del objeto `Map`. | ||
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| {{EmbedInteractiveExample("pages/js/map-prototype-get.html")}} | ||
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| ## Sintaxis | ||
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| ```js-nolint | ||
| get(key) | ||
| ``` | ||
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| ### Parámetros | ||
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| - `key` | ||
| - : La llave del elemento que se quiere obtener del objeto `Mqp`. | ||
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| ### Valor devuelto | ||
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| El elemento asociado a la llave pasada como parámetro, o {{jsxref("undefined")}} si la llave no se encuentra en el objeto `Map`. | ||
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| ## Ejemplos | ||
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| ### Usando get() | ||
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| ```js | ||
| const myMap = new Map(); | ||
| myMap.set("bar", "foo"); | ||
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| console.log(myMap.get("bar")); // Regresa "foo" | ||
| console.log(myMap.get("baz")); // Regresa undefined | ||
| ``` | ||
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| ### Usando get() para recuperar una referencia a un objeto | ||
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| ```js | ||
| const arr = []; | ||
| const myMap = new Map(); | ||
| myMap.set("bar", arr); | ||
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| myMap.get("bar").push("foo"); | ||
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| console.log(arr); // ["foo"] | ||
| console.log(myMap.get("bar")); // ["foo"] | ||
| ``` | ||
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| Note que el _map_ mantiene una referencia al objeto original, esto significa que el objeto no puede ser reclamado por el recolector de basura, lo que puede llevar a errores de memoria inesperados. Si deseas que el objeto guardado en el _map_ tenga el mismo tiempo de vida que el objeto original, considera usar un {{jsxref("WeakMap")}}. | ||
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| ## Especificaciones | ||
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| {{Specifications}} | ||
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| ## Compatibilidad con navegadores | ||
|
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| {{Compat}} | ||
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| ## Véase también | ||
|
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| - {{jsxref("Map")}} | ||
| - {{jsxref("Map.prototype.set()")}} | ||
| - {{jsxref("Map.prototype.has()")}} |
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