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JavaScript, being a versatile and widely used programming language, comes with its own set of quirks and pitfalls. One common issue that developers often encounter is hoisting. Understanding hoisting and knowing how to avoid related problems is crucial for writing clean, efficient code.
In this article, we will delve into the best practices for avoiding hoisting issues in JavaScript, along with practical code examples to illustrate these concepts.
What is Hoisting?
Hoisting in JavaScript refers to the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase. This means that regardless of where variables and functions are declared in your code, they are processed before the actual execution begins. While this behavior can be convenient in some cases, it can also lead to unexpected results if not handled properly.