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JavaScript JavaScript Loops, Arrays and Objects Simplify Repetitive Tasks with Loops Review while loops, do...while loops, and Loop Conditions

can someone explain why this would print hello good bye do {

Given the code below, what will print out to the console?

do { console.log('Hello'); } while (false) console.log('Goodbye');

1 Answer

Steven Parker
Steven Parker
229,967 Points

Even though the condition is false, a do...while loop always runs at least once.

So "Hello" is printed on the first pass, and then the false condition causes the loop to end.

After the loop has finished, the last line prints "Goodbye".