Although rarely used, the bash declare statement does have a couple useful options. It can mark a variable as read only and also mark it as being a number only. To declare a variable as read only, use ...

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 ...