The FormData.entries() method returns an iterator allowing to go through all key/value pairs contained in this object. The key of each pair is a USVString object; the value either a USVString, or a Blob.

Note: This method is available in Web Workers.



Return value

Returns an iterator.


// Create a test FormData object
var formData = new FormData();
formData.append('key1', 'value1');
formData.append('key2', 'value2');

// Display the key/value pairs
for(var pair of formData.entries()) {
   console.log(pair[0]+ ', '+ pair[1]); 

The result is:

key1, value1
key2, value2


Specification Status Comment
The definition of 'entries() (as iterator<>)' in that specification.
Living Standard Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 50.0 44 (44) ? (Yes) ?
Available in web workers 50.0 44 (44) No support (Yes) No support
Feature Android Android Webview Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 50.0 44.0 (44) ? (Yes) ? 50.0
Available in web workers No support 50.0 44.0 (44) No support (Yes) No support 50.0


See also

Document Tags and Contributors

 Contributors to this page: teoli, jpmedley
 Last updated by: teoli,