JavaScript allows to declare functions in 6 ways. The article describes how to choose the right declaration type, depending on the situation and function purpose. (more…)

Thou shalt not depend on me: analysing the use of outdated JavaScript libraries on the web Lauinger et al., NDSS 2017 Just based on the paper title alone, if you had to guess what the situation is … (more…)

Back in the late 90’s — when I learned JavaScript — we were taught to write the... (more…)

Most browsers from 2012 onwards (IE10+). As of early 2017, it should support 95-98% of users (caniuse.com); depending on your target audience it could be higher or lower. Tippy gracefully degrades on older b... (more…)

The "eternal war in cache" has reached browsers, with multiple cache-based side-channel attacks and countermeasures being suggested. A common approach for countermeasures is to disable or restrict JavaScript features deemed essential for carrying out atta... (more…)