The delete() method of the FormData interface deletes a key and its value(s) from a FormData object.
Note: This method is available in Web Workers.
Syntax
formData.delete(name);
Parameters
name- The name of the key you want to delete.
Returns
Void.
Example
The following line creates an empty FormData object and prepopulates it with key/value pairs from a form:
var formData = new FormData(myForm);
You can delete keys and their values using delete():
formData.delete('username');
Specifications
| Specification | Status | Comment |
|---|---|---|
| XMLHttpRequest The definition of 'delete()' in that specification. |
Living Standard |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | 50.0 | 39.0 (39.0) | No support | (Yes) | No support |
| Available in web workers | 50.0 | 39.0 (39.0) | No support | (Yes) | No support |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 50.0 | (Yes) | (Yes) | No support |
(Yes) |
No support | 50.0 |
| Available in web workers | No support | 50.0 | (Yes) | (Yes) | No support | (Yes) | No support | 50.0 |