纯js实现文字自动变色效果

<!-- js实现变色文字 -->
<div id="blink">
    <strong>
        <div align="left" style="text-align:center;">
            变色文字效果
        </div>
    </strong>
    <strong>
        <script language="javascript">
            function changeColor() {
                var color = "#f00|#0f0|#00f|#880|#808|#088|yellow|green|blue|gray";
                color = color.split("|");
                document.getElementById("blink").style.color = color[parseInt(Math.random() * color.length)];
            }
            setInterval("changeColor()", 200);
        </script>
    </strong>
</div>