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Javascript Multiplication( * ) & Division( / )

The multiplication operator (*) perform arithmetic multiplication on numbers (literals or variables).

console.log( 3 * 5); 
console.log(-3 * 5); 
console.log( 3 * -5); 
console.log(-3 * -5); 



Division ( / )

The division operator (/) perform arithmetic division on numbers (literals or variables).

console.log(15 / 3); 
console.log(15 / 4);



Decrementing (--)

The decrement operator (--) decrements numbers by one.

  • If used as a postfix to n, the operator returns the current n and then assigns the decremented the value.
  • If used as a prefix to n, the operator assigns the decremented n and then returns the changed value.

  • var a = 5, // 5
     b = a--, // 5
     c = a // 4


    In this case, b is set to the initial value of a. So, b will be 5, and c will be 4

    var a = 5, // 5
     b = --a, // 4
     c = a // 4


    In this case, b is set to the new value of a. So, b will be 4, and c will be 4.


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