function generateRandomNumber(array, maxN) {
        let randomN = Math.floor(Math.random() * maxN) + 0;
        console.log(array.length);
        console.log(maxN);

        if(array.length == maxN) {
            array.length = 0;
        }

        if(!array.includes(randomN)) {
            array.push(randomN);
        }
        else {
            randomN = generateRandomNumber(array, maxN);
        }
        return randomN;
    }


var array = [];

$("div").on('click', function(){
  console.log('clicked');
  generateRandomNumber(array, 10);
})

var array = [];

$("div").on('click', function(){
  console.log('clicked');
  generateRandomNumber(array, 10);
  console.log(array);
})