EMOJI

var intervals = [[56960,57029],[56832,56911]]

function main() {
    var o = document.getElementById("im_editable0");
    var t = o.innerHTML;
    var s = "";
    for (var i=0; i<t.length; i++) {
        if (t[i]==" ") {
            s += getRandomEmoji();
        } else {
            s += t[i]
        }
        //console.log(s);
    }
    o.innerHTML = s;
    return true
}

function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min)) + min;
}

function getRandomEmoji() {
    var i = getRandomInt(0,intervals.length);
    var ch = getRandomInt(intervals[i][0],intervals[i][1]);
    return String.fromCharCode(55357,ch);
}