Tag Archive: javascript

Jan 31

Design patterns: proxy


New 2014 year did not start easy for me in terms of describing new design pattern I have learnt by reading the book. The cause of it is next chapter I have read more than a month ago. It describes new proxy pattern but it describes it mostly in Java environment. However, it does not …

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Permanent link to this article: https://blog.lukaszewski.it/2014/01/31/design-patterns-proxy/

Feb 23

Design patterns: observer

observer pattern diagram

As I promised myself every month one design pattern from the book will be described by me on this blog. This month’s design pattern is the observer pattern. I will start with definition this time: The Observer Pattern defines a one-to-many dependency between objects so that when one object changes state, all of its dependents …

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Permanent link to this article: https://blog.lukaszewski.it/2013/02/23/design-patterns-observer/

Oct 28

Mouse middle-click and WebKit browsers

Recently, I worked on a bug reported by our user about broken middle-click functionality on one specific page. First what you do when you found such a bug report you are trying to reproduce it. I went to this page in production environment using Firefox and everything worked as expected. I went to this page …

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Permanent link to this article: https://blog.lukaszewski.it/2012/10/28/mouse-middle-click-and-webkit-browsers/

Sep 29


Almost two weeks ago Damian Wielgosik announced on his ferrante.pl blog new project connected directly with JavaScript: javascript.pl. Shortly after Damian’s post another post (on chemikpil.pl blog) about the project appeared. And Andrzej Mazur reminded on his blog that javascript.pl domain had been bought by Damian a while ago. He seemed glad that finally something …

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Permanent link to this article: https://blog.lukaszewski.it/2012/09/29/javascript-pl/

Aug 31

Even faster web sites summary

I’ve written a summary of first book about performance written by Steve Souders few months ago. And also few weeks ago, maybe months I’ve finished the next part of Souders performance books. But this book wasn’t written only by the web performance guru I read chapters written by: Douglas Crockford, Ben Galbraith, Dion Almaer, Nicholas …

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Permanent link to this article: https://blog.lukaszewski.it/2012/08/31/even-faster-web-sites-summary/

Jul 30

JavaScript promise

There is still this book on my shelf I am trying to finish: Head First Design Patterns. I know I could get a great knowledge, I do not have now, just by reading this book. But from the other site, I know that by only reading it I will not be able to make any …

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Permanent link to this article: https://blog.lukaszewski.it/2012/07/30/javascript-promise/

Jun 16

jQuery event object

This post is copy of a part of previous post. I’ve just started to adding new updates to the previous one and finally decided to make it a different one What is it about? It’s about something most of you know if you work a lot with jQuery or if you read its documentation more …

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Permanent link to this article: https://blog.lukaszewski.it/2012/06/16/jquery-event-object/

May 29

Short post #2

I did not have time to work on a particular case. And that is why this month’s post is the second one from “Short posts” series I would like to mention here few things which were/are occupying my time recently. Maybe in June I’ll write more focused on one topic and longer post (however it …

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Permanent link to this article: https://blog.lukaszewski.it/2012/05/29/short-post-2/

Feb 11

Summary of “High Performance Web Sites” by Steve Souders

Finally I did read the book I mentioned in my previous post. Here are the 14 steps/rules presented by Steve Souders and my short description of them. Make fewer HTTP requests The main rule which is connected to some of the next rules. It’s also the most effective for first-time visitors to your web site …

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Permanent link to this article: https://blog.lukaszewski.it/2012/02/11/summary-of-high-performance-web-sites-by-steve-souders/

May 13

Server-side JavaScript and 3rd devmeeting

Have you ever heard about JavaScript? Of course you have! And maybe you didn’t like it as much as I didn’t around 5 years ago. I didn’t like it mostly because it was really hard to debug. But after Firefox and its plug-in Firebug appeared it started to be a lot easier. Not mentioning here …

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Permanent link to this article: https://blog.lukaszewski.it/2011/05/13/server-side-javascript-and-devmeeting/