what does % do javascript code example
Example: what does -= mean in JavaScript
/* JavaScript shorthand -=
-= is shorthand to subtract something from a
variable and store the result as that same variable.
*/
// The standard syntax:
var myVar = 5;
console.log(myVar) // 5
var myVar = myVar - 3;
console.log(myVar) // 2
// The shorthand:
var myVar = 5;
console.log(myVar) // 5
var myVar -= 3;
console.log(myVar) // 2