1function throttle (callback, limit) {
2    var wait = false;                  // Initially, we're not waiting
3    return function () {               // We return a throttled function
4        if (!wait) {                   // If we're not waiting
5            callback.call();           // Execute users function
6            wait = true;               // Prevent future invocations
7            setTimeout(function () {   // After a period of time
8                wait = false;          // And allow future invocations
9            }, limit);
10        }
11    }
12}
13// Usage Example:
14// On scroll, allow function to run at most 1 time per 100ms
15window.addEventListener("scroll", throttle(function(){
16  /*stuff to be throttled*/
17}, 100));

1function throttle (callback, limit) {
2    var wait = false;                  // initial step when we are nit waiting 
3    return function () {               // returnimg a throttled function
4        if (!wait) {                   // while not waiting
5            callback.call();           // Executing users function
6            wait = true;               // Preventing future invocations
7            setTimeout(function () {   // after certain interval of time
8                wait = false;          // allow future invocations
9            }, limit);
10        }
11    }
12}
13// Usage Example:
14// On scroll, allow function to run at most 1 time per 100ms
15window.addEventListener("scroll", throttle(function(){
16  /*stuff to be throttled*/
17}, 100));