| javascript Programming Glossary: callback.applyChoppy/Laggy scroll event on Chrome and IE http://stackoverflow.com/questions/10966710/choppy-laggy-scroll-event-on-chrome-and-ie  arguments clearTimeout timer timer setTimeout function  callback.apply self args ms this.start function wrap around your callback window.scroll.. if diff ms  console.log Call callback  lastCall now callback.apply this arguments  this.start function wrap around your callback.. 
 Memory leak risk in JavaScript closures http://stackoverflow.com/questions/11186750/memory-leak-risk-in-javascript-closures  'Accept' ' ' xhr.onreadystatechange function  callback.apply xhr return function data  do some checks on data before sending.. 
 Jquery Observer pattern http://stackoverflow.com/questions/12590091/jquery-observer-pattern  function var el this document .on eventName function  callback.apply el arguments  You can use it like this '#div1' .observe 'custom'.. 
 Should I use jQuery.each()? http://stackoverflow.com/questions/1883611/should-i-use-jquery-each  if args if length undefined for name in object if callback.apply object name args false break else for i length if callback.apply.. object name args false break else for i length if callback.apply object i args false break A special fast case for the most common.. 
 Create a custom callback in JavaScript http://stackoverflow.com/questions/2190850/create-a-custom-callback-in-javascript  our callback but using our own instance as the context callback.apply this 'Hi' 3 2 1 function foo salutation three two one alert.. 
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