HTMLFormElement.name
 The HTMLFormElement.name property represents the name of the current <form> element as a string. 
 If your <form> element contains an element named name then that element overrides the form.name property, so that you can't access it. Internet Explorer (IE) does not allow the name attribute of an element created using createElement() to be set or modified using the name property. 
Syntax
var string = form.name; form.name = string;
Example
var form1name = document.getElementById('form1').name; if (form1name != document.form.form1) { // Browser doesn't support this form of reference }
Specifications
| Specification | 
|---|
| HTML Standard (HTML) # dom-form-name  | 
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
name | 
1  | 
12  | 
1  | 
5.5  | 
≤12.1  | 
3  | 
1  | 
18  | 
4  | 
≤12.1  | 
1  | 
1.0  | 
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    https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement/name