Thirteen critical vulnerabilities have been found in the vm2 JavaScript sandbox package that could allow an attacker’s code ...

Environment Variables are responsible for storing information about the OS’s environment. Different apps and programs require different configurations, and Windows is responsible for ensuring each has ...

Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...

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 ...

In Functional Scope the variables declared inside a function is accessible only inside that function or to other functions which are declared inside the said function. These variables are known as ...

The scope of a variable or a function is the part of the code in which it is available. Working with variables and scope comes intuitively to most developers. We have some mental models that help us ...