Różnica między == i === w JavaScript
/*
= operator in javascript is called as assign operator. It is used to assign
value to a variable, it is used as: */
variable = "value"
/* ^^^
here, as you can see, it is saying that variable should be assigned(=) the value
"value" */
/*
== operator in javascript is called the equals operator. It is used to compare
equals between two values, ignoring their types(number, string, boolean, etc.),
it is used as: */
(5 == "5") // true
/* ^^^^^^^^^^
here, as you can see, it is asking that 5 is equal to "5", ignoring the type, it
returns true as their value is 5 (Note that "5" is converted to 5 for checking
for == comparator) */
/*
=== operator in javascript is called the strict equals operator. It is used to
compare euals between two values, considering their types(number, string,
boolean, stc.), it is used as: */
(5 === "5") // false
/* ^^^^^^^^^^^
here, as you can see, it is asing that 5 is equal to "5", considering the type,
it returns false as their values is same, but their type is not (Note that "5"
is not converted into 5 for checking for === comparator) */
Pleasant Panther