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solving the task #14

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d7fe2af
solving the task
zainabthabit Feb 7, 2024
216f685
solving arthimatic and logical task
zainabthabit Feb 8, 2024
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28 changes: 27 additions & 1 deletion arthimetic-operators.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,12 @@ Task 1:
7. Use console.log() to print the value of variable e to the console. (it should result 102.000)
*******************************************************************************/
// TODO: ADD YOUR CODE BELOW

let a =4+6;
let b = 10*5;
let c = 17%3;
let d = b-a;
let e = a+b+c+d;
console.log("the result is" + e);
/*******************************************************************************
Task 2:
1. Subtract two numbers and log the result to the console.
Expand All @@ -28,3 +33,24 @@ Task 1:
5. Divide two numbers and round the result to the nearest integer before logging it to the console.
*******************************************************************************/
// TODO: ADD YOUR CODE BELOW
let sub = 10-5
console.log("Subtract two numbers " + sub)
let mult = 1*3*5*7
console.log("Multiply the values of four odd numbers " + mult)
let volume = 3*5*7
console.log("volume of a rectangular prism " + volume)
let price = 9.99
let discount= 0.20
let discount_price = price * discount
console.log("the discounted price " + discount_price)
let div = 7/3
console.log("nearest integer " + div.toFixed(3))









4 changes: 2 additions & 2 deletions index.html
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Expand Up @@ -7,8 +7,8 @@
<title>Variables and Operators</title>
</head>
<body>
<script src="./variables.js"></script>
<!-- <script src="./variables.js"></script> -->
<!-- <script src="./arthimetic-operators.js"></script> -->
<!-- <script src="./logical-comaprison-operators.js"></script> -->
<script src="./logical-comaprison-operators.js"></script>
</body>
</html>
47 changes: 28 additions & 19 deletions logical-comaprison-operators.js
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Expand Up @@ -6,35 +6,35 @@ TASK 1:
// Have fun! // 😃
********************************************************************************/

const exp1 = 10 >= 10; // TODO: ADD YOUR EVALUATION HERE -->
const exp1 = 10 >= 10; // TODO: ADD YOUR EVALUATION HERE --> true

const exp2 = "dog" == "dog"; // TODO: ADD YOUR EVALUATION HERE -->
const exp2 = "dog" == "dog"; // TODO: ADD YOUR EVALUATION HERE --> true

const exp3 = true != false; // TODO: ADD YOUR EVALUATION HERE -->
const exp3 = true != false; // TODO: ADD YOUR EVALUATION HERE -->true

const exp4 = "10" === 10; // TODO: ADD YOUR EVALUATION HERE -->
const exp4 = "10" === 10; // TODO: ADD YOUR EVALUATION HERE -->false

const exp5 = 5 > 4; // TODO: ADD YOUR EVALUATION HERE -->
const exp5 = 5 > 4; // TODO: ADD YOUR EVALUATION HERE -->true

const exp6 = null == undefined; // TODO: ADD YOUR EVALUATION HERE -->
const exp6 = null == undefined; // TODO: ADD YOUR EVALUATION HERE --> true

const exp7 = "true" == true; // TODO: ADD YOUR EVALUATION HERE -->
const exp7 = "true" == true; // TODO: ADD YOUR EVALUATION HERE -->true

const exp8 = "false" == false; // TODO: ADD YOUR EVALUATION HERE -->
const exp8 = "false" == false; // TODO: ADD YOUR EVALUATION HERE -->true

const exp9 = NaN === NaN; // TODO: ADD YOUR EVALUATION HERE -->
const exp9 = NaN === NaN; // TODO: ADD YOUR EVALUATION HERE -->true

@AlhassanAli01 AlhassanAli01 Feb 24, 2024

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This expression should be false, NaN means not a number, so technically not a number will always be not equal to any other number, because it's unknown by design.


const exp10 = !false || false; // TODO: ADD YOUR EVALUATION HERE -->
const exp10 = !false || false; // TODO: ADD YOUR EVALUATION HERE -->true

const exp11 = false && !false; // TODO: ADD YOUR EVALUATION HERE -->
const exp11 = false && !false; // TODO: ADD YOUR EVALUATION HERE --> false

const exp12 = "apple" > "pineapple"; // TODO: ADD YOUR EVALUATION HERE -->
const exp12 = "apple" > "pineapple"; // TODO: ADD YOUR EVALUATION HERE -->false

const exp13 = "2" > "12"; // TODO: ADD YOUR EVALUATION HERE -->
const exp13 = "2" > "12"; // TODO: ADD YOUR EVALUATION HERE --> true

const exp14 = undefined == null; // TODO: ADD YOUR EVALUATION HERE -->
const exp14 = undefined == null; // TODO: ADD YOUR EVALUATION HERE -->true

const exp15 = undefined === null; // TODO: ADD YOUR EVALUATION HERE -->
const exp15 = undefined === null; // TODO: ADD YOUR EVALUATION HERE -->false

/*******************************************************************************
Task 2:
Expand All @@ -47,33 +47,42 @@ const isHappy = false;

// - Check if num is between 10 and 20 (inclusive) using the logical AND operator. Log the result to the console.
// TODO: ADD YOUR CODE BELOW

console.log(10<15 && 15<20)
// - Check if num is either less than 5 or greater than 50 using the logical OR operator. Log the result to the console.
// TODO: ADD YOUR CODE BELOW
console.log(15<5 || 15>50)

// - Check if str is either "apple" or "orange" using the logical OR operator. Log the result to the console.
// TODO: ADD YOUR CODE BELOW
console.log(str == "apple" || str == "orange")

// - Check if isHappy value is true using the logical NOT operator. Log the result to the console.
// TODO: ADD YOUR CODE BELOW
console.log(!str)

// - Check if num is even and greater than 10 using the logical AND operator. Log the result to the console.
// TODO: ADD YOUR CODE BELOW
console.log( num% 2 == 0 && num >10)

// - Check if num is divisible by both 3 and 5 using the logical OR operator. Log the result to the console.
// TODO: ADD YOUR CODE BELOW
console.log(num%3 ==0 || num % 5 ==0)

// - Check if str contains the letter "e". Log the result to the console.
// TODO: ADD YOUR CODE BELOW
console.log(str.includes("e"))

// - Check if str starts with "Hakuna". Log the result to the console.
// TODO: ADD YOUR CODE BELOW

console.log(str.startsWith("Hakuna"))
// - Check if str ends with "a". Log the result to the console.
// TODO: ADD YOUR CODE BELOW

console.log(str.endsWith("a"))
// - Check if num is either negative or odd using the logical OR operator. Log the result to the console.
// TODO: ADD YOUR CODE BELOW

console.log(num <0 || num%2!=0)
// - Check if the length of str is greater than num or equal to 40 using logical OR operator. Log the result to the console.
// TODO: ADD YOUR CODE BELOW
console.log(str.length > num || str.length === 40 )


21 changes: 19 additions & 2 deletions variables.js
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Expand Up @@ -15,6 +15,12 @@
2. Use console.log() to output the value of each variable.
********************************************************************************/
// TODO: ADD YOUR CODE BELOW
let personName ="zainab"
let age = 33
let isHappy = true
console.log (personName , age , isHappy)



/*******************************************************************************
Task 2 (Reassigning variables):
Expand All @@ -24,7 +30,8 @@
2. Use console.log o output the value of 'nickName'
*******************************************************************************/
// TODO: ADD YOUR CODE BELOW

let nickName = personName
console.log(nickName)
/*******************************************************************************
Task 3 (Naming variables):

Expand All @@ -33,7 +40,10 @@
2. Declare a variable that stores the age of a user. What name would you choose for this variable?
*******************************************************************************/
// TODO: ADD YOUR CODE BELOW

let favorate_movie="the lord of the rings"
let user_age= 30
console.log(favorate_movie)
console.log(user_age)
/*******************************************************************************
Task 4 (String Concatenation):
Build upon the previous task by completing the following steps:
Expand All @@ -48,3 +58,10 @@ Steps:
- Print the final message to the console, including the personName in uppercase in this format `Dear personName_VALUE, here's your message: finalMsg_VALUE.`.
*******************************************************************************/
// TODO: ADD YOUR CODE BELOW

let msg

msg = prompt ("please enter a message for student" )
console.log(msg)
let finalMsg =`${msg} And btw, Why are you happy?`
console.log(` dear ${personName.toUpperCase()} here's your message ${finalMsg} `)