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Completed0/11
Score0
JSlesson11.js×
THEEBUG›lesson11.js
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function parseNumber(str) {
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try {
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return JSON.parse(str);
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______ (err) {
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return null;
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}
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}
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console.log(parseNumber("42")); // 42
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console.log(parseNumber("invalid")); // null
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catch
except
error
finally
Game Panel
0:000 pts
Level 11 of 11Error Handling
0/1 slots correct
Objective
Complete the try/catch so a parsing failure returns null instead of crashing
Expected Output
42
null
Debug says:
Code that might fail goes in try. Which keyword catches the error if it throws?
Debug the Worm