How can I create this using a for loop in JavaScript?

const add0 = document.querySelector('.add0');
const add1 = document.querySelector('.add1');
const add2 = document.querySelector('.add2');
const add3 = document.querySelector('.add3');
const add4 = document.querySelector('.add4');
const add5 = document.querySelector('.add5');
const add6 = document.querySelector('.add6');

I have tried creating this using a for loop with i such as :

for(let i = 0; i <= 6; i++ {

    const add[i] = document.querySelector('.add' + i);

}

But it doesn’t work.