FormData: keys() method
The FormData.keys() method returns an iterator which iterates through all keys contained in the FormData. The keys are strings.
Note: This method is available in Web Workers.
Syntax
keys()
Parameters
None.
Return value
Examples
const formData = new FormData();
formData.append("key1", "value1");
formData.append("key2", "value2");
// Display the keys
for (const key of formData.keys()) {
console.log(key);
}
The result is:
key1 key2
Specifications
No specification found
No specification data found for api.FormData.keys.
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Browser compatibility
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