FormData: keys() Methode

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.

Hinweis: Diese Funktion ist in Web Workers verfügbar.

Die FormData.keys()-Methode gibt einen Iterator zurück, der über alle im FormData enthaltenen Schlüssel iteriert. Die Schlüssel sind Strings.

Syntax

js
keys()

Parameter

Keine.

Rückgabewert

Ein Iterator der Schlüssel von FormData.

Beispiele

js
const formData = new FormData();
formData.append("key1", "value1");
formData.append("key2", "value2");

// Display the keys
for (const key of formData.keys()) {
  console.log(key);
}

Das Ergebnis ist:

key1
key2

Spezifikationen

No specification found

No specification data found for api.FormData.keys.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.

Browser-Kompatibilität

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
keys

Legend

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Full support
Full support

Siehe auch