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: Dieses Feature ist verfügbar in Web Workers.
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
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
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