Required Text Box If Radio Button Selected?

Sep 17, 2009

I am brand new to JavaScript and cannot easliy locate JavaScript code to require value in a text box if a specific radio button is selected and validate when user submits the form. Below, if a user chooses the "other" radio button, they must fill in the "othertext" box.

<input name="choice" type="radio" value="one" />
Choice One<br />
<input name="choice" type="radio" value="two" />

[code]....

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Required Textfield If Radio Button Selected?

Mar 18, 2010

I have a form that has four questions with yes no answers (using radio buttons) - if a user answers yes to any of the questions a textfield is revealed and they have to give details. I've firgured out the show/hide textfield but I want to use some form of form validation so that if a user selects Yes to any questions then the relevant textfields are required and must be filled in - so only the textfields in the questions with a Yes answer are required.

I found this post: [URL]...and the response by JMRKER was almost exactly what I wanted - the only problem I can't figure out how to extend his code to four possible text fields. I don't think I've explained this very well but hopefully you'll know what I mean.

[Code]...

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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

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function validateCheckbox() {
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Jan 7, 2011

I have a form that has 4 "required fields" that validate using JS. I am now trying to add a 5th "required field" (the difference is that this field is a "radio button input as opposed to a text input).

I have it working so that when the 1st radio button is selected, the form will go through. However, when the 2nd radio button is selected, it comes up with the "please fill in all required fields" error.

Here is the JS I have so far:

HTML Code:

I tried adding the 2nd radio button value like this:

HTML Code:

(document.indiv_reg.skill[0].checked =="") || (document.indiv_reg.skill[1].checked =="") But when I do that, then even when the 1st radio button is selected it comes up with the "please fill out all required fields error".

PHP Code:

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What I am trying to accomplish is I have a radio button "RequiredApprovalYesNo". When the selection is "Yes", I need fields "Approver" and "ApproverEmail" to be required upon submit. I also need to make sure that a selection is made with this radio button of either Yes or No.Here is my HTML code for these three fields and was wondering if someone could show me how to code this script or, give me an example of a Radio button selection resulting in additional fields being required or not.

<td>
<input type="radio" name="RequireApprovalYesNo" id="RequireApprovalYesNo" value="Yes">Yes
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function check_order ($Des, $Sed) {// sed = Serve_Date
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I am trying to create a javascript that will display a confirmation message when a user submits a form and has specifically selected a particular radio button.

For example:

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Example code:

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[Code]...

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Code:
<html>
<head>
<title>Assignment 9c Clock
</title>
</head>
<body>
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[Code]....

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[code]....

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Click here to see the form [url]

I also attached the code

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[Code]....

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