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Lexart-Challenge

About :

This project contain a Programing challenge in JavaScript and a Database challenge using MySQL for Lexart Labs companie.

Goal :

Programing Challenge Create an algorithm that traverses a one-dimensional array containing letters and numbers:
["a", 10, "b", "hello", 122, 15] .
  • Obtain an array containing only letters.
  • Obtain an array containing only numbers.
  • Obtain the largest number from the previous array.
Database Challenge Download the World database from the following link: https://dev.mysql.com/doc/index-other.html and import it into a database management system. https://dev.mysql.com/doc/index-other.html and import it into a database management system.
Create a table called "AverageLifeExpectancy" that will contain the following information:


LifeProm Region
70 South America
74 North America
59 Asia

Technologys :

  • JavaScript
  • MySQL
  • Jest

Running the project :

Install the Jest dependency running the follow comand npm install

To run the tests use the script npm run test

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