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How to use JavaScript to obtain the values of all elements in a form

Source: Internet
Author: User
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How to use JavaScript to obtain the values of all elements in a form

This example describes how to use JavaScript to obtain the values of all elements in a form. Share it with you for your reference. The details are as follows:

The following JS Code traverses all elements in a specified form and outputs the element values.

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<! DOCTYPE html>

<Html>

<Body>

<Form id = "frm1" action = "form_action.aspx">

First name: <input type = "text" name = "fname" value = "Donald"> <br>

Last name: <input type = "text" name = "lname" value = "Duck"> <br>

<Input type = "submit" value = "Submit">

</Form>

<P> Return the value of each element in the form: </p>

<Script>

Var x = document. getElementById ("frm1 ");

For (var I = 0; I <x. length; I ++)

{

Document. write (x. elements [I]. value );

Document. write ("<br> ");

}

</Script>

</Body>

</Html>

I hope this article will help you design javascript programs.

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