'checked' Example : checked « Javascript Properties « JavaScript Reference

'checked' Example

    
<html>
<body>
<form>
<script>
    function function1() {
        document.all.R1.checked = true;
    }
    function function2() {
        document.all.R2.checked = true;
    }
    function function3() {
        document.all.R3.checked = true;
    }
    function function4() {
        document.all.R4.checked = true;
    }
</script>
<input id="R1" type="radio" name="radiobutton" value="radiobutton">VISA
<input id="R2" type="radio" name="radiobutton" value="radiobutton">MASTERCARD
<input id="R3" type="radio" name="radiobutton" value="radiobutton">DISCOVER
<input id="R4" type="radio" name="radiobutton" value="radiobutton">AMERICAN EXPRESS
<br>
<input type="button" value="VISA checked" onClick="function1();">
<input type="button" value="MASTERCARD checked" onClick="function2();">
<input type="button" value="DISCOVER checked" onClick="function3();">
<input type="button" value="AMERICAN EXPRESS checked" onClick="function4();">
</form>
</body>
</html>

    
      
      








Related examples in the same category

1.'checked' Syntax and Note
2.'checked' Possible Values
3.'checked' is applied to