Code optimizaton

code_optimization.js

//Use underscore library(http://underscorejs.org) for sample codes below

//Memoize a long running function
var optimized_function = _.memoize(function(n) {
  //Code for a long running task
});

//Function throttling to avoid multiple execution
var wait_time = 100 //in ms
var throttled_function = _.throttle(updatePosition, wait_time);
$(window).scroll(throttled_function);