- findKey<S, T>(subject, predicate, thisArg?): keyof S | undefined
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Type Parameters
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S extends Record<string | number | symbol, any>
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T = any
Parameters
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subject: S
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predicate: ((this, key, index, obj, subject) => boolean)
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- (this, key, index, obj, subject): boolean
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Parameters
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this: T
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key: keyof S
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index: number
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obj: (keyof S)[]
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subject: S
Returns boolean
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Optional
thisArg: T
Optional
Returns keyof S | undefined