New with ES6, we have an additional way to write function expressions in our code – as arrow functions. This new syntax offers 3 main benefits:

• They are much more concise than regular function expressions/definitions
• They have implicit returns, which allow us to write single-line expressions (much like we can do with conditionals and the ternary operator)
• The value of this is lexically bound, meaning that it is not re-bound when you use an arrow function inside of another function – which is very helpful for asynchronous callbacks

Continue reading “Modern JavaScript: Arrow Functions” →

As of ES6, we have two new ways to define variables, in addition to the classic var keyword. Each are a little bit different in their own way and I’ll break down those differences in this article.

Continue reading “Modern JavaScript: Using Var, Let, and Const” →