Form.length : Form Object « Form « JavaScript Tutorial






  1. JavaScript Tutorial
  2. Form
  3. Form Object

The length property represents the number of elements within a form.

This property works the same as the elements.length property.

<html>
    <head>
    <title> Using the length property of the Form object</title>
    </head>
    <body>
    <script language="JavaScript">
    <!--
    function showNumElements(){
         alert("There are " + document.form1.length + " elements in this document");
    }
    -->
    </script>
    <form name="form1">
    Enter First Name:
    <input type="text" size=15><br>
    Enter Last Name:
    <input type="text" size=20><br>
    Enter address:
    <input type="text" size=40><br><br>
    <input type="button" value="Submit" onClick=showNumElements()>
    </form>
    </body>
    </html>








10.2.Form Object
10.2.1.Form
10.2.2.Using the Forms Array
10.2.3.Form.action
10.2.4.Form.elements
10.2.5.Form.elements.length
10.2.6.form.encoding
10.2.7.Form.handleEvent()
10.2.8.Form.length
10.2.9.Form.method
10.2.10.Form.name
10.2.11.Form.onReset
10.2.12.Form.onSubmit
10.2.13.Form.reset()
10.2.14.Form.submit()
10.2.15.Form.target