Using const only means that the variable will always have a reference to the same object or primitive value, because that reference can’t change.

When reading a piece of code, others can take cues from these signals in order to better understand what we did. ES6 offers let and const as new flavors of variable declaration, are they better signals than var?

This is yet another edition of ES6 in Depth. First time here? Welcome! So far we covered destructuring, template literals, arrow functions, the spread operator and rest …