What is the difference between != And !== In JS?

What is !== In JS?

The strict inequality operator ( !== ) checks whether its two operands are not equal, returning a Boolean result. Unlike the inequality operator, the strict inequality operator always considers operands of different types to be different.

Why do we prefer === and !== Over == and != In JavaScript?

The difference between == and === is that: == converts the variable values to the same type before performing comparison. This is called type coercion. === does not do any type conversion (coercion) and returns true only if both values and types are identical for the two variables being compared.

What is the difference between != and !==?

!== and === are strict comparison, and == / != are loose comparison. It's best to use strict comparison.

Does != Work in JavaScript?

Not equal is an comparison operator which is used to check the value of two operands are equal or not. If the value of two operands are not equal it returns true. The symbolic representation of Not equal operator in JavaScript is != .