Tag: Hoisting
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Simplifying function hoisting in JavaScript
To understand function hoisting, let us start by considering the code listed below: In any other programming language, the output here would be a reference error. However, in JavaScript you will get undefined as the output. Why? Because JavaScript hoists variables at the top of the execution context. An execution context could be the function…
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Variable Scoping and Hoisting in JavaScript
Variable Scoping in JavaScript is quite different than other programming languages like C. In this post we will learn variable scoping in JavaScript. Simply putting, Scope of a JavaScript variable is within region of the program it is defined. So a variable defined inside function will have scope inside that function. Consider following code snippet,…
Dhananjay Kumar 