goog.async.Debouncer usage

goog-debouncer-usage.js

//after a little messing around, I found out how to use the goog.async.Debouncer properly
goog.require('goog.async.Debouncer');
goog.require('goog.events.InputHandler');

var usernameField_ = /* something like a textfield */
var thingThatShouldHappenOnceAfterInterval = function(){ /* ... */ }
var inputHandler = new goog.events.InputHandler(userNameField_);
var eventHandler_ = /* @type goog.events.EventHandler */

/* where the magic happens */
var debouncer = new goog.async.Debouncer(function(){
    this.thingThatShouldHappenOnceAfterInterval();
    console.log("do the thing only once eventually!");
}, 5000 /* millis */ , this /* function context */);

eventHandler.listen(inputHandler, goog.events.EventType.INPUT, function(){ 
    debouncer.fire(); // lets the debouncer know the event happened, and restarts the timer for the handler func.
});