what is = and bigger than in javascript code example

Example 1: less than or equal js

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

Example 2: not equal to in js

let a=12
if(a!=5){
  console.log(true)
}
since a is not equal to 5, it will print true