Document.forms
        
        
          
                Baseline
                
                  Widely available
                
                
              
        
        
        
          
                
              
                
              
                
              
        
        
      
      This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2018년 6월.
forms는 현재 document에 존재하는 <form> element 들이 담긴 collection (an HTMLCollection)을 반환합니다.
Syntax
js
collection = document.forms;
Example: Getting form information
html
<!doctype html>
<html lang="en">
  <head>
    <title>document.forms example</title>
  </head>
  <body>
    <form id="robby">
      <input
        type="button"
        onclick="alert(document.forms[0].id);"
        value="robby's form" />
    </form>
    <form id="dave">
      <input
        type="button"
        onclick="alert(document.forms[1].id);"
        value="dave's form" />
    </form>
    <form id="paul">
      <input
        type="button"
        onclick="alert(document.forms[2].id);"
        value="paul's form" />
    </form>
  </body>
</html>
Example 2:Getting an element from within a form
js
var selectForm = document.forms[index];
var selectFormElement = document.forms[index].elements[index];
명세서
| Specification | 
|---|
| HTML> # dom-document-forms-dev> |