8000 Add programming-fundamentals · deltanode/JavaScript-Arena@50db0ee · GitHub
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Add programming-fundamentals
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‎code-challenges/01-programming-fundamentals/01_swap.js

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// Basic mathematical operations like swapping two numbers
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function swap(a, b) {
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a = a + b
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b = a - b
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a = a - b
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return [a,b]
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}
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let num1 = parseInt(prompt("Enter first number: "))
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let num2 = parseInt(prompt("Enter Second number: "))
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// console.log(`Before Swapping:\nNum1= ${num1} & Num2= ${num2}`)
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document.write(`<br>Before Swapping: <br>Num1= ${num1} & Num2= ${num2}`)
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console.log(`Before Swapping:\nNum1= ${num1} & Num2= ${num2}`)
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// document.write(`<br>Before Swapping: <br>Num1= ${num1} & Num2= ${num2}`)
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let [n1,n2] = swap(num1,num2)
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num1 = num1 + num2
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num2 = num1 - num2
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num1 = num1 - num2
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// console.log(`After Swapping:\nNum1= ${num1} & Num2= ${num2}`)
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document.write(`<br><br>After Swapping:<br>Num1= ${num1} & Num2= ${num2}`)
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console.log(`After Swapping:\nNum1= ${n1} & Num2= ${n2}`);
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// document.write(`<br><br>After Swapping:<br>Num1= ${num1} & Num2= ${num2}`)

‎code-challenges/01-programming-fundamentals/02_precision_and_square_root.js

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// Basic mathematical operations: like precision of a number, square root of numbers
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let num = parseInt(prompt("You are finding Square Root of: "))
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let pre = parseInt(prompt("Enter Precision: "))
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function precision(x, pre) {
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return x.toPrecision(pre)
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}
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let res = precision(Math.sqrt(num), pre)
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console.log(`Square Root of ${num} upto ${pre} Precision: ${res}`)

‎code-challenges/01-programming-fundamentals/03_check_positive_negative_zero.js

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// Checking any number’s nature if it is positive, negative, or zero
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let num = parseInt(prompt("Enter Number to check +ve, -ve or zero: "))
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function check(num) {
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let res = Math.sign(num)
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if (res === -1) {
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return "-ve"
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} else if (res === 1) {
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return "+ve"
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} else {
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return "zero"
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}
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}
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console.log(`Number is: ${check(num)}`)

‎code-challenges/01-programming-fundamentals/04_random_number.js

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// Generating a random number

‎code-challenges/01-programming-fundamentals/05_odd_even.js

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// Checking if a number is odd or even

‎code-challenges/01-programming-fundamentals/06_prime_or_not.js

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// checking if a number is prime or not

‎code-challenges/01-programming-fundamentals/07_largest_among_three.js

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// Finding largest number among three numbers

‎code-challenges/01-programming-fundamentals/08_factors_of_number.js

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// Finding factorial of any number

‎index.html

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<!-- <script src="js-core-concepts/02_scope.js"></script> -->
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<!-- <script src="js-core-concepts/03_this.js"></script> -->
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<!-- Code Challenges - Basic -->
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<script src="code-challenges/01-basic/01_swap.js"></script>
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<!-- Code Challenges - Programming Fundamentals -->
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<!-- <script src="code-challenges/01-programming-fundamentals/01_swap.js"></script> -->
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<!-- <script src="code-challenges/01-programming-fundamentals/02_precision_and_square_root.js"></script> -->
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<!-- <script src="code-challenges/01-programming-fundamentals/03_check_positive_negative_zero.js"></script> -->
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<script src="code-challenges/01-programming-fundamentals/04_random_number.js"></script>
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<!-- Code Challenges - String -->
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<!-- <script src="code-challenges/02-string/01_replace_character.js"></script> -->

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