FormData.keys()
The FormData.keys()
method returns an
iterator
allowing to go through all keys contained
in this object. The keys are USVString
objects.
Note: This method is available in Web Workers.
Syntax
formData.keys();
Return value
Returns an iterator
.
Example
// Create a test FormData object
var formData = new FormData();
formData.append('key1', 'value1');
formData.append('key2', 'value2');
// Display the keys
for (var key of formData.keys()) {
console.log(key);
}
The result is:
key1 key2
Specifications
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 compatibility
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