Variables in Hidden form : Form HTML « Form Control « JavaScript DHTML






  1. JavaScript DHTML
  2. Form Control
  3. Form HTML

Variables in Hidden form

 <html> <head> <title>Hidden Var Test</title> <script language="JavaScript"> var holder = "" var backup = "" function postData(value) { backup = holder holder = value } function resetValue() { var len = document.form1.itemList.length for (var i=0; i<len; i++) { if (document.form1.itemList[i].value == backup) { document.form1.itemList[i].checked = "1"break } } } </script> </head> <body> <form name="form1" method="POST"> <p><input type=radio name="itemList" value="A" onClick="postData(this.value)">A</p> <p><input type=radio name="itemList" value="b" onClick="postData(this.value)">b</p> <p><input type=radio name="itemList" value="C" onClick="postData(this.value)">C</p> <p><input type=radio name="itemList" value="D" onClick="postData(this.value)">D</p> <p><input type=radio name="itemList" value="E" onClick="postData(this.value)">E</p> <p><input type=radio name="itemList" value="F" onClick="postData(this.value)">F</p> <p><input type=radio name="itemList" value="G" onClick="postData(this.value)">G</p> <p><input type=radio name="itemList" value="H" onClick="postData(this.value)">H</p> <p><input type=button name="UndoLast" value="Undo Last" onClick="resetValue()"></p> </form> </body> </html>








Related examples in the same category

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2.Button Objects: Submit, Reset, and Button
3.Checking Elements on a Form
4.Submitting Forms to the Server
5.Creating an Example Form for User Feedback
6.Accessing the Elements of a Form
7.Using the form.elements Array
8.form.reset() and form.submit() Methods
9.The onReset and onSubmit Event Handlers
10. Passing a Form Object and Form Element to Functions
11. Last-Minute Checking Before Form Submission
12.A Form for Entering a URL
13.Storing the last value using a Hidden object.
14.Methods and Properties of the Submit Object
15.Methods and Properties of the Reset Object
16.Properties of the Hidden Object
17.Methods and Properties of the Form Object
18.Client-Side JavaScript Objects and HTML Tags That Create Instances of Them
19.Using the document.forms Property
20.Use hidden field to store data
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