Question

In: Computer Science

Using JavaScript, create a simple web page that will take orders for Chess Org. Chess Org...

Using JavaScript, create a simple web page that will take orders for Chess Org. Chess Org sells yearly membership for $30 each. Discounts are given for buying in bulk (see Table 1 and example below).

*Table 1 – Discounts*
Quantity Purchased	Discount
1 – 29	0%
30 - 59	10%
60 +	15%

Example: If a customer purchases 40 family membership, their total price (C_Total) would be:

C_{OriginalPrice} = 30*40=1200

D_MainDiscount = 1200*0.1=120

C_TotalPrice = C_{OriginalPrice} - D_MainDiscount= 1200-120 = 1080

Program Requirements: Your program must be written in JavaScript. In addition, you should follow the specific guidelines below.

Use the window.confirm() method to ask the user if they want to purchase memberships (if the user doesn’t want to continue, display an appropriate message in the browser; otherwise, continue with the next steps). Note: the window.confirm() method returns true if the user chooses the “OK” button in the dialog window and false if the user chooses the “Cancel” button. (20%)
Use the window.prompt() method to gather user input, including the user’s name, mailing address, phone number and email address (see point 4) (20%).
Use JavaScript to output the following user information showing on the HTML page (30%):
1. Number of memberships purchased and cost per membership,
2. Total cost before discount,
3. Amount of discount (percentage and money amount), and
4. Total cost after discount.
Also use JavaScript to output user information showing on the web page. The user information should include (20%):
1. User’s name,
2. User’s address,
3. User’s phone number, and
4. User’s email address.

Expert Solution

HTML/Javascript Code:

<html>

<head>

<title>

</title>

</head>

<div class="details" style="display: none;">Number of memberships purchased: <span id="memval"></span></div>

<div class="details" style="display: none;">Cost per Membership: <span id="costperval"></span></div>

<div class="details" style="display: none;">Total cost before discount: <span id="totcostval"></span></div>

<div class="details" style="display: none;">Amount of discount: <span id="discval"></span></div>

<div class="details" style="display: none;">Total cost after discount: <span id="totafterdiscval"></span></div>

<br>

<div class="details" style="display: none;">User Address: <span id="addrval"></span></div>

<div class="details" style="display: none;">User Phone: <span id="phoneval"></span></div>

<div class="details" style="display: none;">User Email: <span id="emailval"></span></div>

//check whether user wants to purchase a membership

if(window.confirm("Do you want to purchace a membership?")){

//get the information from the user

let name = window.prompt("Enter your name: ")

let address = window.prompt("Enter your address: ")

let phone = window.prompt("Enter your phone: ")

let email = window.prompt("Enter your email: ")

let memCount = window.prompt("Enter the number of membership you want to purchase: ")

//Show the div tags which where originally hidden

divtag = document.getElementsByClassName("details")

for(i = 0; i< divtag.length; i++){

divtag[i].style.display = ""

}

//Display the information in the span tag by using getElementById and innerText

document.getElementById("memval").innerText = memCount

document.getElementById("costperval").innerText = "$30"

//calculate total value of purchase

let totValue = 30 * parseInt(memCount)

document.getElementById("totcostval").innerText = totValue

//calculating discount using if

let disc = 0

if(memCount >= 30){

disc = totValue * 0.1

}else if(memCount >= 60 ){

disc = totValue * 0.15

}

//display discount and value after discount

document.getElementById("discval").innerText = disc

document.getElementById("totafterdiscval").innerText = totValue - disc

//display user information

document.getElementById("nameval").innerText = name

document.getElementById("addrval").innerText = address

document.getElementById("phoneval").innerText = phone

document.getElementById("emailval").innerText = email

}else{//else display a message

window.alert("You can purchase a membership another time.")

}

</script>

</body>

</html>

Sample Output:

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Number of memberships purchased: 35 Cost per Membership: $30 Total cost before discount: 1050 Amount of discount: 105 Total cost before discount: 945 User Name: TestUser User Address: Test Address, 234 User Phone: 123456789 User Email: [email protected]

venereology answered 1 year ago

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