diff options
| author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:41:15 -0500 |
|---|---|---|
| committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:41:15 -0500 |
| commit | 4b1a9203c547c019fc5398082ae19a3f3d4c3efe (patch) | |
| tree | d4a40e13ceeb9f85479605110a76e7a4d5f3b56b /files/de/web/javascript/reference/global_objects/map/@@iterator | |
| parent | 33058f2b292b3a581333bdfb21b8f671898c5060 (diff) | |
| download | translated-content-4b1a9203c547c019fc5398082ae19a3f3d4c3efe.tar.gz translated-content-4b1a9203c547c019fc5398082ae19a3f3d4c3efe.tar.bz2 translated-content-4b1a9203c547c019fc5398082ae19a3f3d4c3efe.zip | |
initial commit
Diffstat (limited to 'files/de/web/javascript/reference/global_objects/map/@@iterator')
| -rw-r--r-- | files/de/web/javascript/reference/global_objects/map/@@iterator/index.html | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/files/de/web/javascript/reference/global_objects/map/@@iterator/index.html b/files/de/web/javascript/reference/global_objects/map/@@iterator/index.html new file mode 100644 index 0000000000..8f480772d1 --- /dev/null +++ b/files/de/web/javascript/reference/global_objects/map/@@iterator/index.html @@ -0,0 +1,102 @@ +--- +title: 'Map.prototype[@@iterator]()' +slug: Web/JavaScript/Reference/Global_Objects/Map/@@iterator +tags: + - ECMAScript 2015 + - Iterator + - JavaScript + - Map + - Method + - Prototype + - Reference +translation_of: Web/JavaScript/Reference/Global_Objects/Map/@@iterator +--- +<div>{{JSRef}}</div> + +<p class="seoSummary">Der initialewert der <code><strong>@@iterator</strong></code> Eigenschaft enthält das selbe Funktionsobjekt wie der Wert in der {{jsxref("Map.prototype.entries()", "entries")}} Methode.</p> + +<div>{{EmbedInteractiveExample("pages/js/map-prototype-@@iterator.html")}}</div> + + + +<h2 id="Syntax">Syntax</h2> + +<pre class="syntaxbox"><code><em>myMap</em>[Symbol.iterator]</code></pre> + +<h3 id="Rückgabewert">Rückgabewert</h3> + +<p>Die <strong>iterator</strong> Funktion von <code>map</code> ist im Standardfall die {{jsxref("Map.prototype.entries()", "entries()")}} Funktion.</p> + +<h2 id="Beispiele">Beispiele</h2> + +<h3 id="Einsatz_von_iterator()">Einsatz von <code>[@@iterator]()</code></h3> + +<pre class="brush:js">const myMap = new Map(); +myMap.set('0', 'foo'); +myMap.set(1, 'bar'); +myMap.set({}, 'baz'); + +const mapIter = myMap[Symbol.iterator](); + +console.log(mapIter.next().value); // ["0", "foo"] +console.log(mapIter.next().value); // [1, "bar"] +console.log(mapIter.next().value); // [Object, "baz"] +</pre> + +<h3 id="Einsatz_von_iterator()_mit_for..of">Einsatz von <code>[@@iterator]()</code> mit <code>for..of</code></h3> + +<pre class="brush: js">const myMap = new Map(); +myMap.set('0', 'foo'); +myMap.set(1, 'bar'); +myMap.set({}, 'baz'); + +for (const entry of myMap) { + console.log(entry); +} +// ["0", "foo"] +// [1, "bar"] +// [{}, "baz"] + +for (const [key, value] of myMap) { + console.log(`${key}: ${value}`); +} +// 0: foo +// 1: bar +// [Object]: baz +</pre> + +<h2 id="Spezifikationen">Spezifikationen</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Spezifikation</th> + <th scope="col">Status</th> + <th scope="col">Kommentar</th> + </tr> + <tr> + <td>{{SpecName('ES2015', '#sec-map.prototype-@@iterator', 'Map.prototype[@@iterator]()')}}</td> + <td>{{Spec2('ES2015')}}</td> + <td>Initiale Definition.</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-map.prototype-@@iterator', 'Map.prototype[@@iterator]()')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Browserkompatibilität">Browserkompatibilität</h2> + + + +<p>{{Compat("javascript.builtins.Map.@@iterator")}}</p> + +<h2 id="Siehe_auch">Siehe auch</h2> + +<ul> + <li>{{jsxref("Map.prototype.entries()")}}</li> + <li>{{jsxref("Map.prototype.keys()")}}</li> + <li>{{jsxref("Map.prototype.values()")}}</li> +</ul> |
