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JavaScript JavaScript Loops, Arrays and Objects Simplify Repetitive Tasks with Loops Exiting Loops

You might consider commenting out the do...while loop in script.js so that it doesn't run when first opening the preview

That way, students can watch the video instead of having to guess the question when they first load the preview. I tried to stop execution in Chrome by clicking the "no dialog" option and the browser crashed :)

My goodness, that's amusing & a bit annoying...