Thread by @csaba_kissi

Understand the difference between Javascript "==" and "===" operators:

In JavaScript, "==" is the equality operator and "===" is the strict equality operator.

The main difference between the two is that "==" compares values for equality and performs type coercion if necessary, while "===" compares both values and types for equality.

For example:

If you use "==" to compare the number 5 to the string "5", the comparison will return true because JavaScript will transform the string to a number before performing the comparison.

However, if you compare the same values using "===", the comparison will fail since the string's type is not the same as the number's type.

In general, using "===" is considered best practice since it is less prone to unexpected behavior caused by type coercion.

As you can see, "==" will resort to type coercion if necessary to assess the comparison, whereas "===" won't.

In the absence of knowledge of the type of coercion that "==" executes, unexpected results can be produced.

Using "===" is a best practice to avoid such complications

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