confusing

gistfile1.txt

class Test {
    constructor(arr){
        console.log(arr);
        this.arr = arr;
    }

    addHello(i){
        this.arr[i] = 'hello';
    }
}


const program = [1,2,3,4,5];
const loopCommands = (program) => {
    let arrList = [];

    for(let i = 0; i<5; i++){
        arrList[i] = new Test(program);
        arrList[i].addHello(i);
    }

    return arrList;
}