Assignment Operators

Compound assignment is shorthand operator:

For


var num = 10; 
num = num + 10;

The second line can be replaced with a compound assignment:


var num = 10; 
num += 10;

Compound-assignment operators are listed as follows:

MeaningOperator
Multiply/assign*=
Divide/assign/=
Modulus/assign%=
Add/assign+=
Subtract/assign-=
Left shift/assign <<=
Signed right shift/assign>>=
Unsigned right shift/assign>>>=
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Operators:
  1. JavaScript Operators
  2. Increment/Decrement Operators
  3. Increment/Decrement Operators for String, Boolean, Floating-point and Object
  4. Unary Plus and Minus
  5. Bitwise Not operator
  6. Bitwise AND
  7. Bitwise OR
  8. Bitwise XOR
  9. Left Shift
  10. Signed Right Shift
  11. Unsigned Right Shift
  12. Logical NOT
  13. Logical AND
  14. Logical OR
  15. Multiply
  16. Divide
  17. Modulus
  18. Add
  19. Subtract
  20. Relational Operators
  21. Equal and Not Equal
  22. Identically Equal and Not Identically Equal
  23. Conditional Operator
  24. Assignment Operators
  25. Comma Operator