Synchronous JavaScript timeout.

syncTimeout.js

/**
 * Synchronous timeout
 * @param  {Integer} delay Delay in milliseconds
 */
var syncTimeout = function(delay){
    var endTime = new Date((new Date()).getTime() + delay);
    var curTime;
    do {
        curTime = new Date();
    }while(curTime.getTime() <= endTime.getTime());
    return;
}