Drill 25: Invalid input — Errors and debugging
Describe what happens when the input is invalid.
What you will be able to do
- Describe what happens when the input is invalid.
Practice task
Describe what happens when the input is invalid.
function parseScore(raw) {
const score = Number(raw);
if (!Number.isFinite(score)) {
throw new TypeError(`Invalid score: ${raw}`);
}
if (score < 0 || score > 100) {
throw new RangeError("Score must be between 0 and 100");
}
return score;
}Your turn
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Describe what happens when the input is invalid.
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