while vs do while javascript
// while vs do...while loops
/* while loops: check condition first. If true, execute code. */
let i = 0;
while (i < 5) {
console.log(i); // 0 1 2 3 4
i += 1;
}
/* do-while loops: execute code at least once even if condition is false.
Then check condition. If true, continue executing code. */
let j = 6;
do {
console.log(j); // 6
j += 1;
} while (j < 5);