NEW PERSP.ON COMP.CONCEPTS-PACKAGE
NEW PERSP.ON COMP.CONCEPTS-PACKAGE
17th Edition
ISBN: 9781337761116
Author: Carey
Publisher: CENGAGE L
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Chapter 14, Problem 7CP3

a.

Program Plan Intro

To addingcalcItemCost() to foodItem prototype, this method returns the priceproperty multiplied by the qty propertyin file rb_build.js.

b.

Program Plan Intro

To add calcCartTotal()to the cart prototype, this method, calculates the cartTotal, by using a loop through the items array, applyingthe calcItemCost() method to each item in the array and storing the sum of the item costs in thetotalCost property in file rb_build.js.

c.

Program Plan Intro

To add addToCart() to the foodItem prototype,this method has a single parameter named cart

andby using the push() array method to add the foodItem object to the items array of the cart.in file rb_build.js.

d)

Program Plan Intro

To add removeFromCart() to the foodItem prototype, this method has a single parameter named cart, loop through the items array in the cart object and for each item test whether it is equal to the foodItem object. If it is, use the splice() method to remove the object from the items array and break off the for loop in file rb_build.js.

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Chapter 14 Solutions

NEW PERSP.ON COMP.CONCEPTS-PACKAGE

Ch. 14 - Prob. 11RACh. 14 - Prob. 12RACh. 14 - Prob. 13RACh. 14 - Prob. 14RACh. 14 - Prob. 15RACh. 14 - Prob. 1CP1Ch. 14 - Prob. 2CP1Ch. 14 - Prob. 3CP1Ch. 14 - Prob. 4CP1Ch. 14 - Prob. 5CP1Ch. 14 - Prob. 6CP1Ch. 14 - Prob. 7CP1Ch. 14 - Prob. 8CP1Ch. 14 - Prob. 9CP1Ch. 14 - Prob. 10CP1Ch. 14 - Prob. 11CP1Ch. 14 - Prob. 12CP1Ch. 14 - Prob. 13CP1Ch. 14 - Prob. 14CP1Ch. 14 - Prob. 15CP1Ch. 14 - Prob. 16CP1Ch. 14 - Prob. 17CP1Ch. 14 - Prob. 1CP2Ch. 14 - Prob. 2CP2Ch. 14 - Prob. 3CP2Ch. 14 - Prob. 4CP2Ch. 14 - Prob. 5CP2Ch. 14 - Prob. 6CP2Ch. 14 - Prob. 7CP2Ch. 14 - Prob. 8CP2Ch. 14 - Prob. 9CP2Ch. 14 - Prob. 10CP2Ch. 14 - Prob. 11CP2Ch. 14 - Prob. 12CP2Ch. 14 - Prob. 13CP2Ch. 14 - Prob. 14CP2Ch. 14 - Prob. 15CP2Ch. 14 - Prob. 16CP2Ch. 14 - Prob. 17CP2Ch. 14 - Prob. 18CP2Ch. 14 - Prob. 19CP2Ch. 14 - Prob. 20CP2Ch. 14 - Prob. 1CP3Ch. 14 - Prob. 2CP3Ch. 14 - Prob. 3CP3Ch. 14 - Prob. 4CP3Ch. 14 - Prob. 5CP3Ch. 14 - Prob. 6CP3Ch. 14 - Prob. 7CP3Ch. 14 - Prob. 8CP3Ch. 14 - Prob. 9CP3Ch. 14 - Prob. 10CP3Ch. 14 - Prob. 11CP3Ch. 14 - Prob. 12CP3Ch. 14 - Prob. 13CP3Ch. 14 - Prob. 14CP3Ch. 14 - Prob. 15CP3Ch. 14 - Prob. 16CP3Ch. 14 - Prob. 17CP3Ch. 14 - Prob. 18CP3Ch. 14 - Prob. 19CP3Ch. 14 - Prob. 20CP3Ch. 14 - Prob. 21CP3Ch. 14 - Prob. 22CP3Ch. 14 - Prob. 23CP3Ch. 14 - Prob. 24CP3Ch. 14 - Prob. 25CP3Ch. 14 - Prob. 26CP3Ch. 14 - Prob. 27CP3Ch. 14 - Prob. 28CP3Ch. 14 - Prob. 1CP4Ch. 14 - Prob. 2CP4Ch. 14 - Prob. 3CP4Ch. 14 - Prob. 4CP4Ch. 14 - Prob. 5CP4Ch. 14 - Prob. 6CP4Ch. 14 - Prob. 7CP4
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