util_debounce_throttle 
debounce throttle helper function in node & browser
Usage:
var _debounce = require('util_debounce_throttle')._debounce
var _throttle = require('util_debounce_throttle')._throttle
//send user mousemove data per 100ms
var sendData = function( evt ){ /* here send user event data when mousemove */ }
var _sendData = _throttle( sendData , 100 )
document.onmousemove = _sendData
//send user click data when user not click after 3000ms
var sendData = function( evt ){ /* here send user event data when mousemove */ }
var _sendData = _debounce( sendData , 3000 )
document.click = _sendData
About the test
This lib tested with SINON.JS