Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

"Although JavaScript deals fine with the syntax of two matching curly braces for blocks, it does not support block scope" 5)In strict mode, eval statements that are not bound through a function ...