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arrayUnion

Returns a special value that can be used with {@link @firebase/firestore/lite#(setDoc:1)} or {@link

function arrayUnion(...elements: unknown[]): FieldValue;
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arrayUnion(...elements: unknown[]): FieldValue
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§Parameters

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...elements: unknown[] optional
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  • The elements to union into the array.

§Return Type

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FieldValue
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The FieldValue sentinel for use in a call to setDoc() or updateDoc().