Category: JS

Agile: iterative development with self-functioning teams fe Scrum, Kanban Progressive javascript: opt-in features (fe Router, …). React is not really progressive since it does not…

Best practices for JS security 1. Check regularly for npm package security issues terminal npm audit // shows vulnerable packages 2. Implement eslint security rules…

Code quality Use a code quality standard no loose equals (==) to avoid implicit coercion bugs capitalize constants with underscores (js convention) Do not use…

function bar(x =2, …args ) : …args makes an array of all the rest of the arguments of the function function bar() { return foo(…[2,5])…

Container components : how things work (opposite = presentational) Presentational components: how things look. Opposite = container) Presentational vs container components Declarative: what should happen…

toString() strings parseInt(str), parseFloat(str) str.split(‘’), //returns array arrays arr.sort(), // returns array [2, 1, 2, 30, 12, 4,].sort(); // [1, 12, 2, 2, 30, 4]…