Generate Random Colors using javascript

<script type="text/javascript">

        // Run function for every second of timer

        setInterval(rgbcolors, 1000);

        function getrgbcolors() {

            // rgb string generation

            var col = "rgb("

+ Math.floor(Math.random() * 255) + ","

+ Math.floor(Math.random() * 255) + ","

+ Math.floor(Math.random() * 255) + ")";

            //change the text color with the new random color

            document.getElementById("stylediv").style.color = col;

        }

 </script>

<div id="stylediv" >Generate Random Colors using javascript</div>