New_Contribution

Javascript/Basics/AddTwoNumber.js

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+const num1 = 5;
+const num2 = 3;
+
+// add two numbers
+const sum = num1 + num2;
+
+// display the sum
+console.log('The sum of ' + num1 + ' and ' + num2 + ' is: ' + sum);

Javascript/Basics/AreaofTriangle.js

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+const baseValue = prompt('Enter the base of a triangle: ');
+const heightValue = prompt('Enter the height of a triangle: ');
+
+// calculate the area
+const areaValue = (baseValue * heightValue) / 2;
+
+console.log(`The area of the triangle is ${areaValue}`);

Javascript/Basics/CheckOddEven.js

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+// program to check if the number is even or odd
+// take input from the user
+const number = prompt("Enter a number: ");
+
+//check if the number is even
+if(number % 2 == 0) {
+    console.log("The number is even.");
+}
+
+// if the number is odd
+else {
+    console.log("The number is odd.");
+}

Javascript/Basics/CheckPositiveNegativeZero.js

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+// program that checks if the number is positive, negative or zero
+// input from the user
+const number = parseInt(prompt("Enter a number: "));
+
+// check if number is greater than 0
+if (number > 0) {
+    console.log("The number is positive");
+}
+
+// check if number is 0
+else if (number == 0) {
+  console.log("The number is zero");
+}
+
+// if number is less than 0
+else {
+    console.log("The number is negative");
+}

Javascript/Basics/ConvertCelsiusToFahrenheit.js

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+// program to convert celsius to fahrenheit
+// ask the celsius value to the user 
+const celsius = prompt("Enter a celsius value: ");
+
+// calculate fahrenheit
+const fahrenheit = (celsius * 1.8) + 32
+
+// display the result
+console.log(`${celsius} degree celsius is equal to ${fahrenheit} degree fahrenheit.`);

Javascript/Basics/ConvertKilometersToMiles.js

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+// taking kilometers input from the user
+const kilometers = prompt("Enter value in kilometers: ")
+
+// conversion factor
+const factor = 0.621371
+
+// calculate miles
+const miles = kilometers * factor
+
+console.log(`${kilometers} kilometers is equal to ${miles} miles.`);

Javascript/Basics/FindSquareRoot.js

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+// take the input from the user
+const number = prompt('Enter the number: ');
+
+const result = Math.sqrt(number);
+console.log(`The square root of ${number} is ${result}`);

Javascript/Basics/GenerateRandomNumber.js

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+// generating  a random number
+const a = Math.random();
+console.log(a);

Javascript/Basics/HelloWorld.js

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+// the hello world program
+console.log('Hello World');
+alert('Hello World');
+document.write('Hello World');

Javascript/Basics/SwapTwoVariables.js

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+//JavaScript program to swap two variables
+
+//take input from the users
+let a = prompt('Enter the first variable: ');
+let b = prompt('Enter the second variable: ');
+
+//create a temporary variable
+let temp;
+
+//swap variables
+temp = a;
+a = b;
+b = temp;
+
+console.log(`The value of a after swapping: ${a}`);
+console.log(`The value of b after swapping: ${b}`);