...
For example, given that x = 5, the table below explains the comparison operators:
| Operator | Description | Comparing | Returns |
|---|
| == | equal to | x == 8 | false |
| x == 5 | true |
| x == "5" | true |
| === | equal value and equal type | x === 5 | true |
| x === "5" | false |
| != | not equal | x != 8 | true |
| !== | not equal value or not equal type | x !== 5 | false |
| x !== "5" | true |
| x !== 8 | true |
| > | greater than | x > 8 | false |
| < | less than | x < 8 | true |
| >= | greater than or equal to | x >= 8 | false |
| <= | less than or equal to | x <= 8 | true |
Oddities of Null
OperatorDescriptionComparingReturns| equal to | | 1) | true if x = 1; |
| if (x == |
8false | | 1) | true if x = '1'; |
| if (x == |
5| 0) | true if x = 0; |
| if (x == |
"5"| 0) | true if x = null; |
| if (x ==0) | true if x = |
equal value and equal type | x === 5 | true | x === "5" | false| undefined; |
| === | |
|---|
| if (x ==1) | |
| if (x ==1) | |
| if (x ==0) | |
| if (x ==0) | |
| if (x ==0) | |
| | |
| | |
| |
| |
| false |