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

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Answer 1

Question

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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Answer 2

Question

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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Answer 3

Question

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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Answer 4

Question

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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Answer 5

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.

Answer 6

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.

Answer 7

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.

Answer 8

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.

Answer 9

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.

Answer 10

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.

Answer 11

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.

Answer 12

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.

Answer 13

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.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 14 - Prob. 1RA Ch. 14 - Prob. 2RA Ch. 14 - Prob. 3RA Ch. 14 - Prob. 4RA Ch. 14 - Prob. 5RA Ch. 14 - Prob. 6RA Ch. 14 - Prob. 7RA Ch. 14 - Prob. 8RA Ch. 14 - Prob. 9RA Ch. 14 - Prob. 10RA

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

Solution Summary: The author explains how to add calcItemCost() to the food Item prototype in file rb_build.js.

Concept explainers

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

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.

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.

Want to see the full answer?

Chapter 14 Solutions

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

Solution Summary: The author explains how to add calcItemCost() to the food Item prototype in file rb_build.js.

Concept explainers

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

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.

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.

Want to see the full answer?

Chapter 14 Solutions

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.