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>
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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