Operators of JavaScript
Author: Al-mamun Sarkar
Date: 2021-03-29 17:22:13
JavaScript has Arithmetic Operators, Assignment Operators, String Operators, Concatenation Operators, Comparison Operators, Logical Operators, Type Operators, and Bitwise Operators.
Arithmetic Operators :
| Operator | Use |
|---|---|
| + | Calculate Addition |
| - | Calculate Subtraction |
| * | Calculate Multiplication |
| ** | Calculate Exponentiation\ |
| / | Calculate Division |
| % | Calculate Modulus (Remainder) |
| ++ | Increment value |
| -- | Decrement value |
Assignment Operators:
| Operator | Example | Same As |
|---|---|---|
| = | a = b | a = b |
| += | a += b | a = a + b |
| -= | a -= b | a = a - b |
| *= | a *= b | a = a * b |
| /= | a /= b | a = a / b |
| %= | a %= b | a = a % b |
| **= | a **= b | a = a ** b |
Comparison Operators
| Operator | Description |
|---|---|
| == | Compare equal to |
| === | Compare equal value and equal type |
| != | Compare not equal |
| !== | Compare not equal value or not equal type |
| > | Compare greater than |
| < | Compare less than |
| >= | Compare greater than or equal to |
| <= | Compare less than or equal to |
| ? | ternary operator for condition |
Logical Operators
| Operator | Description |
|---|---|
| && | logical AND |
| || | logical OR |
| ! | logical NOT |
Type Operators
| Operator | Description |
|---|---|
| typeof | Check the variable data type |
| instanceof | Check Object type |
Concatenation Operators:
| Operator | Description |
|---|---|
| + | "Hello" + " World" |