JavaScript is an incredibly durable ... the way a variable’s scope acts in special circumstances. When a new function scope is declared, the variables in the surrounding context are made ...

It assumes the reader has experience programming in JavaScript. Functions as a map between two sets A functional ... Explaining the details of the Maybe monad is a bit beyond the scope of this ...

In javascript we have lexical scoping ... There is no way for the parent function to see and access variables created within the child functions. Scope Scope is the space or environment in our code ...

Thus, you can’t brush aside the probability of object and scope mutation when writing Node.js code. Because JavaScript lacks tail-call optimization (which allows recursive functions to reuse ...

This is not something AngularJS is doing – this is how JavaScript prototypal inheritance works ... another solution is to define a function on the parent scope to modify the primitive. Then ensure the ...

It was a Wednesday. I hear a lot of talk about how it’s a performance penalty to use globally scoped variables in JavaScript (not to mention, dangerous / dumb). When a function looks for a variable, ...