i want to implement achievements and milestone badges to show in player UI if the player scored at that specific level

I will implement achievements and milestone badges with the help of javascrypt ,in js i will do my work with help of event which trigger when a player scores at a particular level ,i will create an array to store milestone and badges name and i will check the score if score is reached at that specific level and badges will display in the user profile in achievements this will increase the user interest in playing the game and a feeling of competition.
also i am interested in any task which you will provide on pongogame please assign me some task this issue or any other task