Wiki says: JavaScript , often abbreviated as JS, is a high-level, interpreted programming language. It is a language which is also characterized as dynamic, weakly typed, prototype-based and multi-paradigm. Alongside HTML and CSS, JavaScript is one of the three core technologies of the World Wide Web. JavaScript enables interactive web pages and thus is an essential part of web applications. The vast majority of websites use it, and all major web browsers have a dedicated JavaScript engine to execute it.
During the time, the list of websites I am managing became quite long. I built all of them on top of the opensource project Drupal, so when a new update of Drupal or one of it's extension arrives, new round of updating work begins for me.
System for automatic distribution of application forms for Summer camp Pardubice. It supports early access (for example for last year participants), automatic time based launch, limit of issued forms for type of transport or for overall camp capacity and managing list of substitutes in case of reaching the camp capacity.
In the year 2012 I switched from using Opera browser to use new Chrome browser. With this change I needed to edit my older Opera extension FlerTop, to be able to use it in the new browser. Fortunately, Chrome extension API is very similar to the Opera one, so it took me only a day to port my extension.
I made a small extension for Opera browser, to advertise randomly selected goods on fler.cz website. They call it "to top" the item, and it means, that the product is listed on the top of the website homepage. Top action is limited to once per some time, given that time is based on the seller reputation score.