What is the meaning of ==?

The equal-to operator ( == ) returns true if both operands have the same value; otherwise, it returns false . The not-equal-to operator ( != ) returns true if the operands don’t have the same value; otherwise, it returns false .

In programming languages == sign or double equal sign means we are comparing right side with left side . And this comparison returns true or false. We usually use this comparison inside if condition to do something specific. Double equal operator is a very common used operator after single equal.

The inequality operator ( != ) checks whether its two operands are not equal, returning a Boolean result . Unlike the strict inequality operator, it attempts to convert and compare operands that are of different types.

!== operator ==) is the logical opposite of the strict equality operator . It means “Strictly Not Equal” and returns true where strict equality would return false and vice versa. Strict inequality will not convert data types. For example 1 !==