Question

How to use assignment operators (+= -= *= /= %=) in JavaScript

Answer 1

var x = 13;
var y = 5;

x += y; // same as: x = x + y

document.write(x + "<br />"); // 18

x = 13;
y = 5;

x -= y; // same as: x = x - y

document.write(x + "<br />"); // 8

x = 13;
y = 5;

x *= y; // same as: x = x * y

document.write(x + "<br />"); // 65

x = 13;
y = 5;

x /= y; // same as: x = x / y

document.write(x + "<br />"); // 2.6

x = 13;
y = 5;

x %= y; // same as: x = x % y

document.write(x + "<br />"); // 3
  
/*
run:

18
8
65
2.6
3   

*/

 

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