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<!DOCTYPE html> | ||
<html> | ||
<head> | ||
<title>JavaScript Assignment</title> | ||
<style> | ||
body { | ||
font-family: Arial, sans-serif; | ||
background-color: #f0f0f0; | ||
text-align: center; | ||
margin: 0; | ||
padding: 0; | ||
} | ||
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h1 { | ||
color: #333; | ||
margin-top: 50px; | ||
} | ||
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input[type="button"] { | ||
background-color: #20a76a; | ||
border: none; | ||
color: white; | ||
padding: 15px 30px; | ||
text-align: center; | ||
text-decoration: none; | ||
font-size: 16px; | ||
margin: 10px 20px; | ||
} | ||
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input[type="button"]:hover { | ||
background-color: #0568006c; | ||
} | ||
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div.container { | ||
margin: 0 auto; | ||
width: 80%; | ||
max-width: 600px; | ||
padding: 20px; | ||
background-color: white; | ||
} | ||
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footer { | ||
margin-top: 40px; | ||
padding: 20px; | ||
background-color: #333; | ||
color: white; | ||
text-align: center; | ||
} | ||
</style> | ||
</head> | ||
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<body> | ||
<div class = "container"> | ||
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<h1>JavaScript Worksheet</h1> | ||
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<input type = "button" value = "Problem 1" onclick = "problem_1()"> | ||
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<input type = "button" value = "Problem 2" onclick = "problem_2()"> | ||
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<input type = "button" value = "Problem 3" onclick = "problem_3()"> | ||
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<input type = "button" value = "Problem 4" onclick = "problem_4()"> | ||
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<input type = "button" value = "Problem 5" onclick = "problem_5()"> | ||
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</div> | ||
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<footer> | ||
© 2024 JavaScript Assignment. All rights reserved. | ||
</footer> | ||
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<script> | ||
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function problem_1(){ | ||
let output = ""; | ||
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for (let i = 40; i >= 10; i -= 2) { | ||
output += i + ", "; | ||
} | ||
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alert(output); | ||
} | ||
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function problem_2(){ | ||
let sum = 0; | ||
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while (sum <= 20) { | ||
let number = parseInt(prompt("Enter a number: ")); | ||
sum += number; | ||
alert("Current Sum: " + sum); | ||
} | ||
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if (sum > 20) { | ||
alert("Sum exceeded 20!"); | ||
} | ||
} | ||
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function problem_3(){ | ||
let sum = 0; | ||
let numbers = []; | ||
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while (sum <= 20) { | ||
let num = parseInt(prompt("Enter a number: ")); | ||
sum += num; | ||
numbers.push(num); | ||
} | ||
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alert("The numbers entered are: " + numbers.join(", ")); | ||
} | ||
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function problem_4(){ | ||
let songs = { | ||
"90210": "Travis Scott \n", | ||
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"Do Not Disturb": "Drake \n", | ||
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"English Man In New York": "Sting \n", | ||
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"Vienna": "Billy Joel \n", | ||
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"Strangers In The Night": "Frank Sinatra" | ||
}; | ||
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let output = ""; | ||
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for (let song in songs) { | ||
output += song + " by " + songs[song] + "\n"; | ||
} | ||
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alert(output); | ||
} | ||
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function problem_5(){ | ||
let songs = { | ||
"90210": "Travis Scott", | ||
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"Do Not Disturb": "Drake", | ||
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"English Man In New York": "Sting", | ||
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"Vienna": "Billy Joel", | ||
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"Strangers In The Night": "Frank Sinatra" | ||
}; | ||
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let band = prompt("Enter the name of the singer / band: "); | ||
let output = ""; | ||
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for (let song in songs) { | ||
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if (songs[song].toLowerCase() === band.toLowerCase()) { | ||
output += song + " by " + songs[song] + "\n"; | ||
} | ||
} | ||
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if (output === "") { | ||
alert("There are no songs found!"); | ||
} else { | ||
alert(output); | ||
} | ||
} | ||
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function runningTheProblems() { | ||
problem_1(); | ||
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problem_2(); | ||
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problem_3(); | ||
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problem_4(); | ||
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problem_5(); | ||
} | ||
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</script> | ||
</body> | ||
</html> |