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Human Body as an analogy for Usable System 3 Jun 2013 | 10:57 pm
A human body is a perfect example of an Usable System; an extremely simple but effective interface on top of an impossibly complex internals. Beyond all doubts, this design cannot be bettered. And tha...
Objects in JavaScript 21 Feb 2013 | 06:27 pm
Everything in JavaScript is an object. Is it? Yes and no. Let's explore! var str = "this is a string", num = 87, bool = true, func = function() {}, arr = [3, 'f', "third", 20], obj = {p: 15}; The last...
HFI's 10-day 4-course CUA program 15 Aug 2012 | 05:28 pm
Learning the scientific methods behind the usability analysis and testing was on my mind for last couple of years. When I came to know about HFI's training and certification on the same, I couldn't ho...
Duff's Device for JavaScript 20 Oct 2010 | 03:43 pm
Nicholas Zakas in his book "High Performance JavaScript" has mentioned about Jeff Greenberg's JavaScript implementation of Tom Duff's original technique of unrolling loop bodies in order to let each i...
Performance comparison between ways to declare a function in JavaScript 11 Sep 2010 | 05:40 pm
Results on Chrome var start=(new Date()).getTime(); for(var i=0;i<1000000;i++){ function fn1(){ return "Traditional approach"; } } var end=(new Date()).getTime(); console.log(end-star...
sum(4)(5) = 9 //JavaScript 22 Jul 2010 | 04:09 am
function sum(a) { return function(b) { return a + b; } } alert(sum(4)(5)); //9 Curry! How do you cook that in other languages? Permalink | Leave a comment »
30 best practices to boost your web application performance 15 Jun 2010 | 06:11 pm
Limit interaction with DOM as much as possible. Store DOM references in local JavaScript variables before using them if you need them more than once. Consider setting innerHTML over document.createEle...
Tips: Building Wireframes for Web UI 20 May 2010 | 05:30 pm
The nature of UI development is so complex that fitting it into a set of rules is simply not possible. The only way to become a pro in this field is only through constant practice and efforts to bette...
Lazy loading of images across different browsers 21 Apr 2010 | 09:45 pm
A colleague pinged me today over an IE6 issue where she saw background images on elements with style 'display:none' are getting loaded on IE6 on page load but not on Firefox. My first take wa...
For Dummies - Difference between Standards and Quirks mode 19 Apr 2010 | 08:39 pm
In "Standards" mode browser tries to render the web page content by following HTML and CSS specifications; while in "Quirks" mode, it tries to duplicate its own older version (backward compatibility m...
