JSFiddle - React, Tailwind, and code Playground
by mubarakpasha
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Disabling/Enabling a Textbox</title>
<script type="text/javascript">
function toggleTextbox(opt)
{
if (opt == 'F')
document.getElementById('txtText').disabled = false;
else
document.getElementById('txtText').disabled = true;
}
</script>
</head>
<body>
<input type="radio" name="sex" value="M" onclick="toggleTextbox('M')" />Male<br />
<input type="radio" name="sex" value="F" onclick="toggleTextbox('F')"/>Female<br />
<br />
<br />
<label>Textbox to Enable:</label>
<br />
<input type="text" id="txtText" disabled="disabled"/>
</body>
</html>