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In: Computer Science

Part 1(15%): Please write the Boolean expressions below in the file, part5_1.js, in the appropriate functions....

Part 1(15%): Please write the Boolean expressions below in the file, part5_1.js, in the appropriate functions. part5_1.js script will execute if you load the part5_1.html file into the browser.

Write a Boolean expression that checks that number num, has n digits. Assume that num is an integer.( consider both the positive and negative case for num)

Assuming the following are the ingredients for Jamie Oliver's fried rice:
1. 1/2 dozen green onion
2. 1 teaspoon chilli jam
3. 2 cups rice
4. 2 tablespoon olive oil
5. 2 eggs
6. 1/2 block of tofu
7. 1 teaspoon salt
8. 1 teaspoon water

Write a Boolean expression that is true, if you need to go shopping for ingredients to make fried rice.

Assuming the following recipe for grilled chicken:

4 skinless, boneless chicken breasts
1/2 cup lemon juice or 1/2 lime juice
1/2 teaspoon onion powder
2 teaspoons dried parsley or 1 teaspoon dried cilantro
1 teaspoon salt
1 teaspoon black pepper

Write a Boolean expression that is true, if you have all the ingredients to make grilled chicken.

part5_1.html :

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="part5_1.js"></script>
</head>
<body>
<h1>Boolean expression practice</h1>
Please look at the console. ctrl+shift+i to bring up the developer window.

</body>
</html>

part5_1.js :

console.log("One of the test for question one failed, please check your expression");
}
//Test 1 for 1 digit
if (question1(5, 1)) {
console.log("Testing Question1, okay. Checking for 1 digit")
}
else {
console.log("One of the test for question one failed, please check your expression");
}

//test 2, test for 2 digits
if (question1(99, 2)) {
console.log("Testing Question1, okay. Checking for 2 digit")
}
else {
console.log("One of the test for question one failed, please check your expression");
}

//test 2, test for 2 digits
if (question1(563, 3)) {
console.log("Testing Question1, okay. Checking for 2 digit")
}
else {
console.log("One of the test for question one failed, please check your expression");
}

//test 2, test for 13 digits
if (question1(1000000000234, 13)) {
console.log("Testing Question1, okay. Checking for 2 digit")
}
else {
console.log("One of the test for question one failed, please check your expression");
}
}
function testQuestion2() {
if (typeof (question2(0, 0, 0, 0)) == udefString) {
console.log("function question2 returning undefined, check the return statement.")
return;
}

let ing = {
greenOnion: 8,
chilliJam: 10,
rice: 5,
oliveOil: 2,
egg: 3,
tofu: 1,
salt: 5,
water: 10
}
let keys = Object.keys(ing);
if (question2(ing.greenOnion, ing.chilliJam, ing.rice, ing.oliveOil,
ing.egg, ing.tofu, ing.salt, ing.water) == false) {
console.log("Passed case you dont' need to go shopping")
} else {
console.log("failed case you dont' need to go shopping")
}

for (let i = 0; i < keys.length; i++) {
let tmpIng = JSON.parse(JSON.stringify(ing)); //deep copy object
tmpIng[keys[i]] = 0;
if (question2(tmpIng.greenOnion, tmpIng.chilliJam, tmpIng.rice, tmpIng.oliveOil,
tmpIng.egg, tmpIng.tofu, tmpIng.salt, tmpIng.water) == true) {
console.log("Question 2:Passed case where you need to go shopping for" + keys[i])
} else {
console.log("Question 2:failed case where you need to go shopping for" + keys[i])
}
}

}
function testQuestion3() {
if (typeof (question3(0, 0, 0, 0, 0, 0, 0, 0)) == udefString) {
console.log("function question 3 returning undefined, check the return statement.")
return;
}
let keys = ["breasts", "lemonJuice", "onionPowder", "parsley", "salt", "pepper"]
let ingredients = {
breasts: 5,
lemonJuice: 1,
limeJuice: 0,
onionPowder: 1,
parsley: 3,
cilantro: 0,
salt: 5,
pepper: 5
}

if (question3(ingredients.breasts, ingredients.lemonJuice, ingredients.limeJuice, ingredients.onionPowder, ingredients.parsley, ingredients.cilantro, ingredients.salt, ingredients.pepper) == true) {
console.log("Question 3: Case of having the ingredients passed");
} else {
console.log("Question 3: Case of having the ingredients failed");
}
for (let i = 0; i < keys.length; i++) {
let tempIng = JSON.parse(JSON.stringify(ingredients));
tempIng[keys[i]] = 0;
if (question3(tempIng.breasts, tempIng.lemonJuice, tempIng.limeJuice, tempIng.onionPowder, tempIng.parsley, tempIng.cilantro, tempIng.salt, tempIng.pepper) == false) {
console.log("Question 3: Passed case where you need to go shopping for" + keys[i])
} else {
console.log("Question 3: failed case where you need to go shopping for" + keys[i])
}

}

keys = ["breasts", "limeJuice", "onionPowder", "cilantro", "salt", "pepper"]
ingredients = {
breasts: 5,
lemonJuice: 0,
limeJuice: 2,
onionPowder: 0.5,
parsley: 0,
cilantro: 3,
salt: 5,
pepper: 0
}
for (let i = 0; i < keys.length; i++) {
let tempIng = JSON.parse(JSON.stringify(ingredients));
tempIng[keys[i]] = 0;
if (question3(tempIng.breasts, tempIng.lemonJuice, tempIng.limeJuice, tempIng.onionPowder, tempIng.parsley, tempIng.cilantro, tempIng.salt, tempIng.pepper) == false) {
console.log("Question 3: Passed case where you need to go shopping for" + keys[i])
} else {
console.log("Question 3: failed case where you need to go shopping for" + keys[i])
}

}
}
//Invoke tests
testQuestion1();
testQuestion2();
testQuestion3();

Solutions

Expert Solution

Hello! :)

Here's the script with the completed functions to solve the assignment:

part5_1.js:

function question1(num, n) {
    return n === Math.abs(num).toString().length;
}

function question2(greenOnion, chilliJam, rice, oliveOil, egg, tofu, salt, water) {
    return !(
        greenOnion >= 6
        &&
        chilliJam >= 1
        &&
        rice >= 2
        &&
        oliveOil >= 2
        &&
        egg >= 2
        &&
        tofu >= 1/2
        &&
        salt >= 1
        &&
        water >= 1
    );
}

function question3(breasts, lemonJuice, limeJuice, onionPowder, parsley, cilantro, salt, pepper) {
    return (
        breasts >= 4
        &&
        (lemonJuice >= 1/2 || limeJuice >= 1/2)
        &&
        onionPowder >= 1/2
        &&
        (parsley >= 2 || cilantro >= 1)
        &&
        salt >= 1
        &&
        pepper >= 1
    );
}

function testQuestion1() {
//Test 1 for 1 digit
if (question1(5, 1)) {
console.log("Testing Question1, okay. Checking for 1 digit")
}
else {
console.log("One of the test for question one failed, please check your expression");
}

//test 2, test for 2 digits
if (question1(99, 2)) {
console.log("Testing Question1, okay. Checking for 2 digit")
}
else {
console.log("One of the test for question one failed, please check your expression");
}

//test 2, test for 3 digits
if (question1(563, 3)) {
console.log("Testing Question1, okay. Checking for 3 digit")
}
else {
console.log("One of the test for question one failed, please check your expression");
}

//test 2, test for 13 digits
if (question1(1000000000234, 13)) {
console.log("Testing Question1, okay. Checking for 13 digit")
}
else {
console.log("One of the test for question one failed, please check your expression");
}
}
function testQuestion2() {
if (typeof (question2(0, 0, 0, 0)) == undefined) {
console.log("function question2 returning undefined, check the return statement.")
return;
}

let ing = {
greenOnion: 8,
chilliJam: 10,
rice: 5,
oliveOil: 2,
egg: 3,
tofu: 1,
salt: 5,
water: 10
}
let keys = Object.keys(ing);
if (question2(ing.greenOnion, ing.chilliJam, ing.rice, ing.oliveOil,
ing.egg, ing.tofu, ing.salt, ing.water) == false) {
console.log("Passed case you dont' need to go shopping")
} else {
console.log("failed case you dont' need to go shopping")
}

for (let i = 0; i < keys.length; i++) {
let tmpIng = JSON.parse(JSON.stringify(ing)); //deep copy object
tmpIng[keys[i]] = 0;
if (question2(tmpIng.greenOnion, tmpIng.chilliJam, tmpIng.rice, tmpIng.oliveOil,
tmpIng.egg, tmpIng.tofu, tmpIng.salt, tmpIng.water) == true) {
console.log("Question 2:Passed case where you need to go shopping for" + keys[i])
} else {
console.log("Question 2:failed case where you need to go shopping for" + keys[i])
}
}

}
function testQuestion3() {
if (typeof (question3(0, 0, 0, 0, 0, 0, 0, 0)) == undefined) {
console.log("function question 3 returning undefined, check the return statement.")
return;
}
let keys = ["breasts", "lemonJuice", "onionPowder", "parsley", "salt", "pepper"]
let ingredients = {
breasts: 5,
lemonJuice: 1,
limeJuice: 0,
onionPowder: 1,
parsley: 3,
cilantro: 0,
salt: 5,
pepper: 5
}

if (question3(ingredients.breasts, ingredients.lemonJuice, ingredients.limeJuice, ingredients.onionPowder, ingredients.parsley, ingredients.cilantro, ingredients.salt, ingredients.pepper) == true) {
console.log("Question 3: Case of having the ingredients passed");
} else {
console.log("Question 3: Case of having the ingredients failed");
}
for (let i = 0; i < keys.length; i++) {
let tempIng = JSON.parse(JSON.stringify(ingredients));
tempIng[keys[i]] = 0;
if (question3(tempIng.breasts, tempIng.lemonJuice, tempIng.limeJuice, tempIng.onionPowder, tempIng.parsley, tempIng.cilantro, tempIng.salt, tempIng.pepper) == false) {
console.log("Question 3: Passed case where you need to go shopping for" + keys[i])
} else {
console.log("Question 3: failed case where you need to go shopping for" + keys[i])
}

}

keys = ["breasts", "limeJuice", "onionPowder", "cilantro", "salt", "pepper"]
ingredients = {
breasts: 5,
lemonJuice: 0,
limeJuice: 2,
onionPowder: 0.5,
parsley: 0,
cilantro: 3,
salt: 5,
pepper: 0
}
for (let i = 0; i < keys.length; i++) {
let tempIng = JSON.parse(JSON.stringify(ingredients));
tempIng[keys[i]] = 0;
if (question3(tempIng.breasts, tempIng.lemonJuice, tempIng.limeJuice, tempIng.onionPowder, tempIng.parsley, tempIng.cilantro, tempIng.salt, tempIng.pepper) == false) {
console.log("Question 3: Passed case where you need to go shopping for" + keys[i])
} else {
console.log("Question 3: failed case where you need to go shopping for" + keys[i])
}

}
}
//Invoke tests
testQuestion1();
testQuestion2();
testQuestion3();

I didn't add comments to my part because it is pretty self-explanatory.

Hope this helps! :)

venereology answered 1 year ago

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