Knock out js Short hands

1. this.knockoutProperty /= value; 

instead this.knockoutProperty(this.knockoutProperty() / value)

2.this.knockoutProperty *= value; 

instead this.knockoutProperty(this.knockoutProperty() * value)

3. this.knockoutProperty -= value; 

instead this.knockoutProperty(this.knockoutProperty() – value)

4. this.knockoutProperty += value; 

instead this.knockoutProperty(this.knockoutProperty() + value)