Monday, 7 January 2013

how to change a button color using javascript

how to change button color:
                       
                                        single button change a double color.



sample program:


<html>
<head>
<style>
.red{ background: red; border: 0px; }
.green { background: green; border: 0px; color: #fff; }
</style>
<script>
function controls(className)
{
    if (className == "red")
    {
        document.getElementById('OnOff').setAttribute('class','green');
        document.getElementById('OnOff').innerHTML = "ON";
       
    } else
    {
        document.getElementById('OnOff').setAttribute('class','red');
        document.getElementById('OnOff').innerHTML = "OFF";
    }
}    
</script>
</head>
<body>
<button id="OnOff" name="OnOff" class="red" onclick="controls(this.getAttribute('class'))">OFF</button>
</body>
</html>




   





                                  

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