New Perspectives on HTML5, CSS3, and JavaScript
6th Edition
ISBN: 9781305503922
Author: Patrick M. Carey
Publisher: Cengage Learning
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Chapter 12, Problem 5CP2
a.
Program Plan Intro
To define addItem() function and inside this function create a variable named foodItem and store the reference of next sibling element to target event object in it.
b.
Program Plan Intro
To create a variable named foodID inside the addItem function that contains value of the id attribute for foodItem.
c.
Program Plan Intro
To create a variable named foodDescriptionthat contains copy of foodItem element.
d.
Program Plan Intro
To create a variable named cartBox that refrence of element having ID “cart”.
e.
Program Plan Intro
To create a variable named duplicateOrderand set its initial value to false.
f.
Program Plan Intro
To loop through element of child nodes of cartBox and for each node find whether the ID of element node equals foodID. In case yes then increment the value of first child node of element node by 1 and set duplicateOrder to true.
g.
Program Plan Intro
To check if value of duplicateOrder is still false. In case yes then create variable named OrderCount which stores span element and has text content as 1. Next add this element as first child of the foodDescription element and then add foodDescription element in cartBox.
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Chapter 12 Solutions
New Perspectives on HTML5, CSS3, and JavaScript
Ch. 12.2 - Prob. 1QCCh. 12.2 - Prob. 2QCCh. 12.2 - Prob. 3QCCh. 12.2 - Prob. 4QCCh. 12.2 - Prob. 5QCCh. 12.2 - Prob. 6QCCh. 12.3 - Prob. 1QCCh. 12.3 - Prob. 2QCCh. 12 - Prob. 1RACh. 12 - Prob. 2RA
Ch. 12 - Prob. 3RACh. 12 - Prob. 4RACh. 12 - Prob. 5RACh. 12 - Prob. 6RACh. 12 - Prob. 7RACh. 12 - Prob. 8RACh. 12 - Prob. 9RACh. 12 - Prob. 10RACh. 12 - Prob. 11RACh. 12 - Prob. 12RACh. 12 - Prob. 13RACh. 12 - Prob. 1CP1Ch. 12 - Prob. 2CP2Ch. 12 - Prob. 3CP2Ch. 12 - Prob. 4CP2Ch. 12 - Prob. 5CP2Ch. 12 - Prob. 4CP3Ch. 12 - Prob. 20CP3Ch. 12 - Prob. 3CP4Ch. 12 - Prob. 4CP4Ch. 12 - Prob. 5CP4Ch. 12 - Prob. 6CP4Ch. 12 - Prob. 7CP4Ch. 12 - Prob. 8CP4Ch. 12 - Prob. 9CP4Ch. 12 - Prob. 10CP4Ch. 12 - Prob. 11CP4Ch. 12 - Prob. 12CP4Ch. 12 - Prob. 13CP4Ch. 12 - Prob. 14CP4
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