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Assignment 2: JavaScript Programming

This assignment contains 10 JavaScript functions designed to solve a variety of problems using fundamental programming concepts such as mathematical calculations, ASCII operations, and string manipulation.

Contents

1. Question 1: Calculate Average of Three Numbers
2. Question 2: Circumference of a Circle
3. Question 3: Calculate Simple Interest
4. Question 4: Volume of a Cuboid
5. Question 5: Profit Calculation
6. Question 6: Find ASCII Value of a Character
7. Question 7: Get Character from ASCII Value
8. Question 8: ASCII Values of Multiple Characters
9. Question 9: Extract Date Components
10. Question 10: Extract Time Components

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Question 1: Calculate Average of Three Numbers

Function Definition:

function question1() {
    let num1 = Number(prompt("Enter number 1 : "));
    let num2 = Number(prompt("Enter number 2 : "));
    let num3 = Number(prompt("Enter number 3 : "));
    let average = (num1 + num2 + num3) / 3;
    console.log(`Average of ${num1}, ${num2}, and ${num3} is ${average.toFixed(3)}`);
}

Description:

• Input: Three numbers.
• Output: Average of the three numbers (rounded to 3 decimal places).
• Formula Used:
  [ \text{Average} = \frac{\text{Sum of Numbers}}{\text{Total Numbers}} ]

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Question 2: Circumference of a Circle

Function Definition:

function question2() {
    let radius = Number(prompt("Enter radius of circle : "));
    let circumference = 2 * Math.PI * radius;
    console.log(`Circumference of Circle Is ${circumference.toFixed(2)}`);
}

Description:

• Input: Radius of the circle.
• Output: Circumference of the circle (rounded to 2 decimal places).
• Formula Used:
  [ \text{Circumference} = 2 \cdot \pi \cdot \text{radius} ]

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Question 3: Calculate Simple Interest

Function Definition:

function question3() {
    let principalAmount = Number(prompt("Enter Principal Amount : "));
    let rateOfInterest = Number(prompt("Enter Rate of Interest : "));
    let timeYears = Number(prompt("Enter Time in Years : "));
    let simpleInterest = (principalAmount * rateOfInterest * timeYears) / 100;
    console.log(`Simple Interest is ${simpleInterest.toFixed(2)}`);
}

Description:

• Input: Principal amount, rate of interest, and time in years.
• Output: Simple Interest (rounded to 2 decimal places).
• Formula Used:
  [ \text{Simple Interest} = \frac{\text{Principal} \cdot \text{Rate} \cdot \text{Time}}{100} ]

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Question 4: Volume of a Cuboid

Function Definition:

function question4() {
    let length = Number(prompt("Enter length of cuboid : "));
    let breadth = Number(prompt("Enter breadth of cuboid : "));
    let height = Number(prompt("Enter height of cuboid : "));
    let volume = length * breadth * height;
    console.log(`Volume of Cuboid Is : ${volume.toFixed()}`);
}

Description:

• Input: Length, breadth, and height of the cuboid.
• Output: Volume of the cuboid.
• Formula Used:
  [ \text{Volume} = \text{Length} \cdot \text{Breadth} \cdot \text{Height} ]

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Question 5: Profit Calculation

Function Definition:

function question5() {
    let costPerDozen = Number(prompt("Enter Cost Price of Banana : "));
    let sellPerDozen = Number(prompt("Enter Selling Price of Banana : "));
    let profitLoss = (sellPerDozen - costPerDozen) * 25 / 12;
    console.log(profitLoss);
}

Description:

• Input: Cost price per dozen, selling price per dozen.
• Output: Profit or loss for selling 25 bananas.
• Formula Used:
  [ \text{Profit} = \frac{(\text{Selling Price} - \text{Cost Price}) \cdot 25}{12} ]

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Question 6: Find ASCII Value of a Character

Function Definition:

function question6() {
    let char = prompt("Enter Character :");
    console.log(`ASCII Value of ${char} is ${char.charCodeAt(0)}`);
}

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Question 7: Get Character from ASCII Value

Function Definition:

function question7() {
    let ascii = Number(prompt("Enter ASCII Value : "));
    console.log(`Character at ASCII Value ${ascii} is ${String.fromCharCode(ascii)}`);
}

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Question 8: ASCII Values of Multiple Characters

Function Definition:

function question8() {
    let char1 = prompt("Enter 1st Character Value : ");
    let char2 = prompt("Enter 2nd Character Value : ");
    let char3 = prompt("Enter 3rd Character Value : ");
    console.log(`ASCII Value of ${char1} Character is ${char1.charCodeAt(0)}`);
    console.log(`ASCII Value of ${char2} Character is ${char2.charCodeAt(0)}`);
    console.log(`ASCII Value of ${char3} Character is ${char3.charCodeAt(0)}`);
}

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Question 9: Extract Date Components

Function Definition:

function question9() {
    let date = prompt("Enter Date in DD/MM/YYYY");
    let parts = date.split("/");
    console.log(`Day - ${parts[0]}, Month - ${parts[1]}, Year - ${parts[2]}`);
}

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Question 10: Extract Time Components

Function Definition:

function question10() {
    let time = "12:35";
    let parts = time.split(":");
    console.log(`${parts[0]} hour and ${parts[1]} minute`);
}

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