Sum of Two Numbers in TypeScript

  • Certainly! Here's an example of TypeScript code that calculates the sum of two numbers:


    // sum.ts

    // Declare a function that takes two numbers as parameters and returns their sum
    function sumNumbers(a: number, b: number): number {
        return a + b;
    }

    // Call the sumNumbers function with two numbers
    const num1: number = 5;
    const num2: number = 10;
    const result: number = sumNumbers(num1, num2);

    // Output the result
    console.log(`The sum of ${num1} and ${num2} is: ${result}`);

  • To run this TypeScript program and see the sum of two numbers:
  • Save the above code in a file called `sum.ts`.
  • Open a Command Prompt or PowerShell window.
  • Navigate to the directory where you saved `sum.ts`.
  • Run the TypeScript compiler (`tsc`) command to compile the TypeScript file into JavaScript:


    tsc sum.ts

  • This will generate a JavaScript file called `sum.js` in the same directory.
  • Finally, you can run the JavaScript file using Node.js:


    node sum.js

  • You should see the output:


    The sum of 5 and 10 is: 15

  • That's it! You have successfully written and executed TypeScript code to calculate the sum of two numbers.

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