Concept explainers
a.
To addingcalcItemCost() to foodItem prototype, this method returns the priceproperty multiplied by the qty propertyin file rb_build.js.
b.
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.
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)
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.
Want to see the full answer?
Check out a sample textbook solutionChapter 14 Solutions
New Perspectives On Html5, Css3, And Javascript, Loose-leaf Version
- Data communıcatıon digital data is transmitted via analog ASK and PSK are used together to increase the number of bits transmitted a)For m=8,suggest a solution and define signal elements , and then draw signals for the following sent data data = 0 1 0 1 1 0 0 0 1 0 1 1arrow_forwardDatacommunicationData = 1 1 0 0 1 0 0 1 0 1 1 1 1 0 0a) how many bıts can be detected and corrected by this coding why prove?b)what wıll be the decision of the reciever if it recieve the following codewords why?arrow_forwardpattern recognitionPCA algor'thmarrow_forward
- Consider the following program: LOAD AC, IMMEDIATE(30) ADD AC, REGISTER(R1) STORE AC, MEMORY(20) Given that the value of R1 is 50, determine the value stored at memory address 20 after the program is executed. Provide an explanation to support your answer.arrow_forwardPattern RecognitonDecision Tree please write the steps not only last answerarrow_forwardPattern RecognitionPCA algorithmplease write the steps not only last answerarrow_forward
- Please original work Final Project: Part I Background Information: E-TechMart, established in 2005, has grown to become a leading global electronics retailer, renowned for its extensive range of electronic devices and accessories. With a robust online platform and numerous brick-and-mortar stores spread across various regions, E-TechMart serves millions of customers worldwide. The company's product offerings include the latest smartphones, laptops, tablets, smart home devices, and a variety of electronic accessories, catering to both individual consumers and businesses. E-TechMart has always prioritized customer satisfaction and aims to provide an exceptional shopping experience. This commitment is evident in their comprehensive customer service, competitive pricing, and a well-organized loyalty program that rewards repeat customers. Despite these strengths, E-TechMart faces increasing competition from other major players in the electronics retail market. To maintain its competitive…arrow_forwardCan you show me how to redesign the GameStop website using HTML and CSS using Sublime Text?arrow_forwardManhattan distancearrow_forward
- Aiwhat cost from Oradea to Goal which Eforie us A* Algorithm G(n)+H(n) last what ıs the costarrow_forwardWhat is the SELECT statement? give one reference with your answer What is a URL and what is it used for? give one reference with your answer What is e-mail, and what are its advantages? Give one reference with your answerarrow_forwardWhat is the difference between the World Wide Web (WWW) and the Internet? Give two references from a journal along with your answer.arrow_forward
- New Perspectives on HTML5, CSS3, and JavaScriptComputer ScienceISBN:9781305503922Author:Patrick M. CareyPublisher:Cengage Learning