Day 3: Throw in JavaScript | 10 Days Of JavaScript Solutions | HackerRank Programming Solutions [💯Correct]

Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank, 10 Days Of JavaScript. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for Day 3: Throw in JavaScript-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

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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 ProblemDay 3: Throw – Hacker Rank Solution

Day 3: Throw – Hacker Rank Solution



In this challenge, we practice using throw and catch statements to work with custom error messages.


Complete the isPositive function below. It has one integer parameter, . If the value of  is positive, it must return the string YES. Otherwise, it must throw an Error according to the following rules:

  • If  is , throw an Error with  Zero Error.
  • If  is negative, throw an Error with  Negative Error.

Input Format

Locked stub code in the editor reads the following input from stdin and passes each value of  to the function as an argument:
The first line is an integer, , denoting the number of times the function will be called with some .
Each line  of the  subsequent lines contains an integer denoting some .


Output Format

If the value of  is positive, the function must return the string YES. Otherwise, it must throw an Error according to the following rules:

  • If  is , throw an Error with  Zero Error.
  • If  is negative, throw an Error with  Negative Error.

Sample Input 0


Sample Output 0


Explanation 0

Each of the given values is positive, so we return YES each time. The value returned during each function call is printed on a new line by locked stub code in the editor.

Sample Input 1


Sample Output 1

Zero Error

Explanation 1

Locked stub code in the editor makes the following three calls to the isPositive function:

  1. isPositive(2): This returns YES because  is positive.
  2. isPositive(0): Because , we throw an Error with  Zero Error. This is caught by the locked stub code and the value of its  is printed.
  3. isPositive(6): This returns YES because  is positive.

Sample Input 2


Sample Output 2

Negative Error

Explanation 2

Locked stub code in the editor makes the following two calls to the isPositive function:

  1. isPositive(-1): Because , we throw an Error with  Negative Error. This is caught by the locked stub code and the value of its  is printed.
  2. isPositive(20): This returns YES because  is positive.
Day 3: Throw – Hacker Rank Solution
function isPositive(a) {
  if (a === 0) {
    throw Error("Zero Error");
  if (a < 0) {
    throw Error("Negative Error");
  return "YES";

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