Debouncer Only executes the most recent call after the specified timeout.

gistfile1.js

// Only executes the most recent call after the specified timeout.
function Debouncer() {
    var timeout;

    this.execute = function(callback, wait) {
        if (timeout) {
            clearTimeout(timeout);
            timeout = null;
        }

        timeout = setTimeout(callback, wait);
    };
};