HTML blinkText

<div id="blinkText"></div>

<script>
// Takes text to blink and id of element to blink text in
function blinkText(text, id) {
    // Blink interval
    setInterval(blinker, 250);

    // Flag to see what state text is in (true or false)
    var flag = true;

    // Number of times to blink text
    var blinkNum = 50;
    var i = 1;
//you can select whole div by ajax
    var divID = document.getElementById(id);

    function blinker() {
        if (i < blinkNum) {
            if (flag) {
                divID.innerHTML = text;
                flag = false;
            } else {
                divID.innerHTML = "";
                flag = true;
            }

            i++;
        } else {
            // Delete if still showing
            divID.innerHTML = "";

            // Stop blinking
            clearInterval(blinker);
        }
    }
}

blinkText("Hello World", "blinkText");
</script>