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typeof reports null as an object — JavaScript debugging challenge | BugHunt

javascriptType errorHard

typeof reports null as an object

Time: 0:00

What it should do

describeType(value) should name the type of a value, returning "null" for null and "object" for real objects.

What goes wrong

describeType(null) returns "object" instead of "null".

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Hints

This is a type errors bug

Totals that concatenate, sorts that put 10 before 9, comparisons that refuse to run.

Learn the type errors pattern