html - How to check radio button on drop select -


i have radio input selected when user select drop down. radio input has name "rbutton" , id same. clarify, using html forms. thanks.

try using small bit of javascript.

here onclick action on drop down menu calls selectradio function creates checked radio button.

<script type="text/javascript"> function selectradio(){      document.getelementbyid('span1').innerhtml = '<input type="radio" checked="true"/>'; } </script> <form>     <p><span id='span1'><input type="radio"/></span> radio button</p>      <p>choose option:</p>     <select onclick='selectradio()'/>         <option>1</option>         <option>2</option>         <option>3</option>     </select> </form>

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