comparison operator in js code example

Example 1: js greater than or equal to

>= // greater than or equal 
<= // less than or equal
> // greater than
< // less than
== // equals
=== // strictly equals
!= // not equals
!== // stricly not equals

Example 2: javascript if not

var isDay = false;
if (!isDay) { //Will execute if isDay is false
  console.log("It's night");
}