Function indexOf

indexOf<TArray extends readonly any[], TValue>(
    array: TArray,
    value: TValue,
    startIndex?: number,
    count?: number,
): TValue extends TArray[number] ? number : NoMatchIndexNominal
Returns the index of the first occurrence of a value in an array.
Type Parameters
- TArray extends readonly any[]
- TValue
Parameters
- array: TArray
  the array where the search is perfomed.
- value: TValue
  the value to locate in the array
- OptionalstartIndex: number
  the array index at which to begin the search. If startIndex is omitted, the search starts at index 0.
- Optionalcount: number
  the number of elements in the section to search.
Returns TValue extends TArray[number] ? number : NoMatchIndexNominal
- Defined in packages/jscorlib/src/arrays/indexOf.ts:12
indexOf<TArray extends readonly any[]>(
    array: TArray,
    value: TArray[number],
    startIndex?: number,
    count?: number,
): number
Returns the index of the first occurrence of a value in an array.
Type Parameters
- TArray extends readonly any[]
Parameters
- array: TArray
  the array where the search is perfomed.
- value: TArray[number]
  the value to locate in the array
- OptionalstartIndex: number
  the array index at which to begin the search. If startIndex is omitted, the search starts at index 0.
- Optionalcount: number
  the number of elements in the section to search.
Returns number
- Defined in packages/jscorlib/src/arrays/indexOf.ts:25