let sum=null; for (let i=0; i < 10; i++) { let value = +prompt("enter a number:", ''); if (!value || value >10) { break } sum += value; console.log(sum); }
let sum=null; for (let i=0; i < 10; i++) { let value = +prompt("enter a number:", ''); if (!value || value >10) { break } sum += value; console.log(sum); }