What does === means?

What does === mean in programming?

On the other hand === is known as strictly equality operator. It's much similar Java's equality operator (==), which gives compilation error if you compare two variables, whose types are not compatible to each other. In fact, you should always use "===" operator for comparing variables or just for any comparison.

What does == and === mean?

== is used for comparison between two variables irrespective of the datatype of variable. === is used for comparision between two variables but this will check strict type, which means it will check datatype and compare two values.

What does three === mean?

The triple equal sign is the one you're probably familiar with. It tests for strict equality between two values. Both the type and the value you're comparing have to be exactly the same. Examples of strict equality: 3 === 3. // true (Both numbers, equal values)'test' === 'test'

What does === in JS mean?

=== (Triple equals) is a strict equality comparison operator in JavaScript, which returns false for the values which are not of a similar type. This operator performs type casting for equality. If we compare 2 with “2” using ===, then it will return a false value.