!! == and! ==== What Is the Difference in Javascript?

This updated guide examines !! == and! ==== What Is the Difference in Javascript? and organizes the essential facts, background, and practical takeaways in clear American English.

Today's article will help readers learn about 2 ! = And ! == operators in JavaScript.

Operator! =

The inequality ( ! = ) Operator is the opposite of the equality ( == ) operator. It means 'Not Equal' and returns True , when equality returns False and vice versa.

Like the == operator, the ! = Operator will convert data types of values while comparing.

Example 1! = '1' will return False because the data type conversion took place and 1 and '1' are considered equal.

Operator! ==

The strict inequality ( ! == ) operator is the opposite of the strict equality operator ( === ). It means 'Strictly Not Equal' and returns True when strict equality returns False and vice versa.

Like the === operator, the ! == operator will not convert data types.

Example 1! == '1' will return True because 1 is an integer and '1' is a character and no data type conversion takes place.

Illustration:

Output:

Example output