Every time you post to your Gatsby blog your JavaScript grows by 100 bytes. (more…)

The other week a paper was released that reported that about 37% of sites included at least one JavaScript library with a known vulnerability. We ran our own test and discovered that the reality is much worse—76.6% of sites were using at least one vulnera... (more…)

ES2015 added a variety of riches to JavaScript. Among them are two new ways to declare variables, let and const. These tools were introduced to address faults of var, provide us an opt-in path to new functionality, and bring richers semantics to JavaScrip...

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings - trekhleb/javascript-algorithms... (more…)

JavaScript performance is an evergreen topic on the web. With each new release of Microsoft Edge, we look at user feedback and telemetry data to identify opportunities to improve the Chakra JavaScript engine and enable better performance on real sites. In... (more…)