jquery - HTML/JavaScript - Populate radio button if checkbox is checked -

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i'm trying write javascript code if of checkboxes in group selected, radio button should populated.

following code i'm working on:

<html> <head>     <title>radio buttons , checkboxes</title> </head>  <body>     <form>         <h3>radio buttons</h3>         <input type="radio" name="radio1" id="radio1"> radio 1         <br>         <input type="radio" name="radio2" id="radio2">radio 2         <br>         <br>          <h3>checkbox groups</h3>          <h4><u>group 1</u></h4>         <p align="center"><u>pd</u></p>         <ul>             <li><input type="checkbox" name="g1pd1">g1 pd1</li>             <li><input type="checkbox" name="g1pd2">g1 pd2</li>         </ul>         <p align="center"><u>id</u></p>         <ul>             <li><input type="checkbox" name="g1id1">g1 id1</li>             <li><input type="checkbox" name="g1id2">g1 id2</li>         </ul>          <h4><u>group 2</u></h4>         <p align="center"><u>pd</u></p>         <ul>             <li><input type="checkbox" name="g2pd1">g2 pd1</li>             <li><input type="checkbox" name="g2pd2">g2 pd2</li>         </ul>         <p align="center"><u>id</u></p>         <ul>             <li><input type="checkbox" name="g2id1">g2 id1</li>             <li><input type="checkbox" name="g2id2">g2 id2</li>         </ul>     </form> </body> </html>

here's want javascript do. if of checkboxes under pd section in groups 1 , 2 checked, radio button radio 1 should populated. similarly, if of checkboxes under id section in groups 1 , 2 selected, radio button radio 2 should populated.

if me write jquery or javascript code, helpful.

update

using @gibberish's answer, able write js code. following js code

<script>     $('input:checkbox').click(function(){ var cc = this.classname; if (cc=="pdcb"){     $('#radio2').prop('checked',false);     $('#radio1').prop('checked',true); }else if (cc=="idcb"){     $('#radio1').prop('checked',false);     $('#radio2').prop('checked',true); }   else   {     $('#radio1').prop('checked',false);     $('#radio2').prop('checked',false);   } }); </script>

my new question how deselect both radio buttons if none of checkboxes aren't checked?

thanks in advance!

if assign distinct classnames 2 checkbox groups, easier determine do.

here code sample, both in stack code snippet, , jsfiddle demo (because easier fiddle around with)

$('input:checkbox').click(function(){  	var cc = this.classname;  	if (cc=="pdcb"){  		$('#radio2').prop('checked',false);  		$('#radio1').prop('checked',true);  	}else if (cc=="idcb"){  		$('#radio1').prop('checked',false);  		$('#radio2').prop('checked',true);  	}  });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>  <form>     <h3>radio buttons</h3>     <input type="radio" name="radio1" id="radio1"> radio 1     <br>     <input type="radio" name="radio2" id="radio2">radio 2     <br>     <br>       <h3>checkbox groups</h3>       <h4><u>group 1</u></h4>     <p align="center"><u>pd</u></p>     <ul>        <li>           <input class="pdcb" type="checkbox" name="g1pd1">g1 pd1</li>        <li>           <input class="pdcb" type="checkbox" name="g1pd2">g1 pd2</li>     </ul>     <p align="center"><u>id</u></p>     <ul>        <li>           <input class="idcb" type="checkbox" name="g1id1">g1 id1</li>        <li>           <input class="idcb" type="checkbox" name="g1id2">g1 id2</li>     </ul>       <h4><u>group 2</u></h4>     <p align="center"><u>pd</u></p>     <ul>        <li>           <input class="pdcb" type="checkbox" name="g2pd1">g2 pd1</li>        <li>           <input class="pdcb" type="checkbox" name="g2pd2">g2 pd2</li>     </ul>     <p align="center"><u>id</u></p>     <ul>        <li>           <input class="idcb" type="checkbox" name="g2id1">g2 id1</li>        <li>           <input class="idcb" type="checkbox" name="g2id2">g2 id2</li>     </ul>  </form>


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