/ˈjuːnjən taɪp/
A TypeScript type allowing a value to be one of several types — string | number | undefined.
"type Status = 'pending' | 'active' | 'cancelled' — the compiler rejects any other string value."
Master Union Type in context by working through exercises in the JavaScript & TypeScript module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.
A TypeScript type allowing a value to be one of several types — string | number | undefined.
"Union Type" is pronounced /ˈjuːnjən taɪp/.
"type Status = 'pending' | 'active' | 'cancelled' — the compiler rejects any other string value."
"Union Type" is filed under the JavaScript & TypeScript vocabulary module — click the module link above to see related terms and a matching exercise.
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Yes — the JavaScript & TypeScript module has interactive exercises that use "Union Type" and related terms in realistic sentences, with instant feedback on each answer.
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