JavaScript if not equal (!==) operator | Example code

JavaScript if not means simply if the value of two operands are not equal it returns true. You have to use not equal in if/else statement.

How to representation not equal in JS?

Here is symbol representation of not equal !=.

Note:

  • ! (negation operator) as “not”,
  • || (boolean-or operator) as “or”

Example of JavaScript if not equal

value = !!value;

Example of a basic way of using Not equal to the operator in JavaScript, if the condition true then the alert box will pop with an actual vale of value1.

<!DOCTYPE html> 
    <html> 
    <body> 
            <script language="JavaScript">
                value1 = 9
                if (value1 != 8)
                {
                //if value1 IS NOT equal to 8 this block will be executed

                alert("value1 is actually " + value1);
                }
            </script>     
    </body> 
    </html>
JavaScript if not equal

Do comment if you have any doubts and suggestions on tutorial.

Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.

OS: Windows 10

Code: HTML 5 Version


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