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Comparison operators are used in logical statements to determine equality or difference between variables or values and return either true or false.
JavaScript stores numbers as 64 bits floating point numbers, but all bitwise operations are performed on 32 bits binary numbers.
| Operator | Name |
|---|---|
| & | AND |
| | | OR |
| ~ | NOT |
| ^ | XOR |
| << | Zero fill left shift |
| >> | Signed right shift |
| >>> | Zero fill right shift |
| Operation | Result |
|---|---|
| 0 & 0 | 0 |
| 0 & 1 | 0 |
| 1 & 0 | 0 |
| 1 & 1 | 1 |
| Decimal | Binary |
|---|---|
| 5 | 00000000000000000000000000000101 |
| 1 | 00000000000000000000000000000001 |
| 5 & 1 | 00000000000000000000000000000001 (Decimal = 1) |
| Operation | Result |
|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 1 |
| Decimal | Binary |
|---|---|
| 5 | 00000000000000000000000000000101 |
| 1 | 00000000000000000000000000000001 |
| 5 | 1 | 00000000000000000000000000000101 (Decimal = 5) |
| Operation | Result |
|---|---|
| 0 ^ 0 | 0 |
| 0 ^ 1 | 1 |
| 1 ^ 0 | 1 |
| 1 ^ 1 | 0 |
| Decimal | Binary |
|---|---|
| 5 | 00000000000000000000000000000101 |
| 1 | 00000000000000000000000000000001 |
| 5 ^ 1 | 00000000000000000000000000000100 (Decimal = 4) |
| Operation | Result |
|---|---|
| ~0 | 1 |
| ~1 | 0 |
| Decimal | Binary |
|---|---|
| 5 | 00000000000000000000000000000101 |
| ~5 | 11111111111111111111111111111010 (Decimal = -6) |
| Decimal | Binary |
|---|---|
| 5 | 00000000000000000000000000000101 |
| 5 << 1 | 00000000000000000000000000001010 (Decimal = 10) |
| Decimal | Binary |
|---|---|
| -5 | 11111111111111111111111111111011 |
| -5 >> 1 | 11111111111111111111111111111101 (Decimal = -3) |
| Decimal | Binary |
|---|---|
| 5 | 00000000000000000000000000000101 |
| 5 >>> 1 | 00000000000000000000000000000010 (Decimal = 2) |
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