surajhell88

Search Missing Integer in a given array of Integers

For eg.

1. searchMissingPositiveInteger([1,4,123]) // should give 2
2. searchMissingPositiveInteger([-12, -3]) // should give 1
3. searchMissingPositiveInteger([1, 2, ... , 999]) // should give 1000

surajhell88

Simple Promise Implementation

A simple javascript implmentation of promise object. It isn't the best solution but does solve the given problem statement. The probable todo items/improvements would be to refer MDN doc for Promise

Listing a few here:

1. .all(iterable)
2. .reject(promiseInstance)
3. .resolve(promiseInstance)
4. .finally(callback)

surajhell88

Get Attempts until Kaprekar's Constant

Given a 4-digit integer to the function, calculate the number of attempts until it reaches kaprekar's constant i.e. 6174

Few Examples

1. KaprekarsConstant(8) // 6
2. KaprekarsConstant(1324) // 3
3. KaprekarsConstant(3322) // 4