Day 0: Data Types in Javascript | 10 Days Of JavaScript Solutions | HackerRank Programming Solutions [💯Correct]

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Introduction To JavaScript

JavaScript is a lightweight, cross-platform, and interpreted scripting language. It is well-known for the development of web pages, many non-browser environments also use it. JavaScript can be used for Client-side developments as well as Server-side developments. JavaScript contains a standard library of objects, like Array, Date, and Math, and a core set of language elements like operators, control structures, and statements.

Advantages of JavaScript

The merits of using JavaScript are −

• Less server interaction − You can validate user input before sending the page off to the server. This saves server traffic, which means less load on your server.
• Immediate feedback to the visitors − They don’t have to wait for a page reload to see if they have forgotten to enter something.
• Increased interactivity − You can create interfaces that react when the user hovers over them with a mouse or activates them via the keyboard.
• Richer interfaces − You can use JavaScript to include such items as drag-and-drop components and sliders to give a Rich Interface to your site visitors.

Link for the Problem – Day 0: Data Types – Hacker Rank Solution

Day 0: Data Types – Hacker Rank Solution

Problem:

Objective

Today, we’re discussing data types. Check out the attached tutorial for more details.

Task

Output Format

Print the following three lines of output:

Sample Input 0

12
4.32
is the best place to learn and practice coding!

Sample Output 0

16
8.32
HackerRank is the best place to learn and practice coding!

Explanation 0

You will not pass this challenge if you attempt to assign the Sample Case values to your variables instead of following the instructions above.

Day 0: Data Types – Hacker Rank Solution

function performOperation(secondInteger, secondDecimal, secondString) {
  const firstInteger = 4;
  const firstDecimal = 4.0;
  const firstString = "HackerRank ";

  console.log(firstInteger + Number(secondInteger));

  const firstNum = Number(firstDecimal).toFixed(2);
  const secondNum = Number(secondDecimal).toFixed(2);
  const answer = Number(firstNum) + Number(secondNum);

  console.log(answer);
  console.log(firstString + secondString);
}