The reason JavaScript has ==, ===, and Object.is() to compare values

JavaScript, like many programming languages, offers multiple ways to compare values. This can be confusing for developers, especially when it comes to determining the differences between the “==” operator, the “===” operator, and the Object.is() method. These three methods each have their own unique behavior and are used in different situations. In this article, we will dive into the reasoning behind why JavaScript has multiple ways to compare values and explore when and how to use each method effectively. We will discuss the differences in behavior and performance between the “==” operator, the “===” operator, and the Object.is() method. Understanding these tools will help you write more efficient and accurate code.

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JavaScript being a dynamic language is one of the reasons why it has multiple ways to compare values. In a dynamic language like JavaScript, variables can change their type at runtime. For example, a variable can be declared as a string, and later on, it can…