JavaScript: Compound Assignment With Augmented Subtraction

Like the += operator, −= subtracts a number from a variable.

myVar = myVar − 7;

will subtract 7 from myVar. This can be rewritten as:

myVar −= 7;

Exercices

Convert the assignments for a, b, and c to use the −= operator.

var a = 11;
var b = 9;
var b = 3;

// Only change code below this line
a = a - 6;
b = b - 15;
c = c - 1;
/* Your test output will go here.
*/