HTML/JavaScript Web Application Answers

Square at Alternate Indices

Given an array myArray of numbers, write a function to square the alternate numbers of the myArray, starting from index 0 using the array method map.Input

• The input will be a single line containing an array myArray

Output

• The output should be a single line containing an array with alternate numbers squared

Constraints

• Each value in the array must be a number

Sample Input 1

[ 1, 2, 3, 4, 5 ]

Sample Output 1

[ 1, 2, 9, 4, 25 ]

Sample Input 2

[ 2, 4 ]

Sample Output 2

[ 4, 4 ]

String Slicing: Given two strings inputString and subString as inputs, write a JS program to slice the inputString if it includes the subString. Slice the inputString starting from the subString to the end of the inputString.

Input

The first line of input contains a string inputString

The second line of input contains a string subString

Output

The output should be a sliced string or inputString (if the inputString does not include the subString)

function main() {

let inputString = readLine();

const subString = readLine();

/* Write your code here */

}

i want code in between write code here

Write a JavaScript Program (Using a single HTML and JavaScript file)

to input 2 numbers and determine (using a <p> tag whether:

a. The 2 numbers are equal

b. The first is greater then the second.

c. The second is greater than the first.

Display the message on change of any of the 2 inputs.

Income Tax Calculator Program

Input the Taxable Income and Compute the income tax using the following table:

*Note: Do not use prompts for user inputs. Use the HTML input tag.

over -----------------------------but not over --------------------------------Rate

--- -----------------------------------250,000 ------------------------------------0%

250,000 ---------------------------400,000 ---------------------20% of the excess over 250,000

400,000----------------------------800,000------------- 30,000+25% of the excess over 400,000

800,000------------------------ 2,000,000 ------------130,000+30% of the excess over 800,000

2,000,000 ----------------------8,000,000 -----------490,000+32% of the excess over 2,000,000

8,000,000 ------------------------------------------2,410,000+35% of the excess over 8,000,000

Ex)

Taxable Income Income Tax

180,000 0

320,000 14,000

520,000 60,000

930,000 169,000

2,400,000 618,000

10,000,000 3,110,000

6. Write a program that asks the user for two numbers, then lets the user choose the using 4

buttons, one for each operation. (+, -, *, / )The program should do the requested operation and

display the answer on the screen.

7. Modify program 6 to do the same thing using a dropdown menu and an = button to execute.

Use <select> <option></option></select> for your dropdown. Only java plz

Write a program that asks the user for two numbers, then lets the user choose the using 4

buttons, one for each operation. (+, -, *, / )The program should do the requested operation and

display the answer on the screen. Only Java plz

Simple Payroll

Write a Javascript Program to Add,Delete employees in a payroll list.

1. The payroll program should input the following:

Employee Name     Days Worked     Daily Rate   Deduction Amount

2. During Addition, the program should display the following in a table:

No.  Employee Name   Days Worked   Daily Rate   Gross Pay   Deduction Amount  Net Pay

where:

     No. = is the Payroll List Line number

     Gross Pay = Days Worked * Daily Rate

      Net Pay = Gross Pay - Deduction Amount

 3. During Deletion, the program should ask for the Line Number to delete and update the table

Write a Javascript Program (1 HTML File) that will input an integer value n and display (upon a button click) the following:

     1. The nth factorial (Using a While Loop)

     2. The sum of the first n numbers (Using a Do While Loop)

     3. The Average of the first n numbers (Using a For Loop)

Income Tax Calculator Program

Input the Taxable Income and Compute the income tax using the following table:

*Note: Do not use prompts for user inputs. Use the HTML input tag.

over but not over Rate

--- 250,000 0%

250,000 400,000 20% of the excess over 250,000

400,000 800,000 30,000+25% of the excess over 400,000

800,000 2,000,000 130,000+30% of the excess over 800,000

2,000,000 8,000,000 490,000+32% of the excess over 2,000,000

8,000,000 ---- 2,410,000+35% of the excess over 8,000,000

Ex)

Taxable Income Income Tax

180,000 0

320,000 14,000

520,000 60,000

930,000 169,000

2,400,000 618,000

10,000,000 3,110,000

A School District has its own internal mail. However, it can’t accept packages that

weigh more than 0.5 kg or are larger than 0.2 cubic meters. Write a program that asks the user

to input the weight of a package and its three dimensions (length, width, and height) in meters.

If the package doesn’t meet the requirements, it should say why it failed, otherwise give a

success message.