how to check less than or equal in javascript 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: less than equal to in javascript

| <= | less than or equal to |	x <= 8 | true |

Example 3: javascript not equal

0 !== "0"
0 !== 0