findIndex
findIndex<
T>(array,item,comparisonStrategy?):number
Defined in: packages/core/src/array/find-index.ts:21
Finds the index of an item in an array using a specified equality comparison strategy.
Note: “strict” comparison uses the built-in Array.prototype.indexOf method,
which is faster than a custom comparison function. For other strategies, a
linear search (O(n)) is performed. On a sorted array, consider using a binary
search for better performance.
Type Parameters
Section titled “Type Parameters”T
Parameters
Section titled “Parameters”T[]
The array to search in.
T
The item to find.
comparisonStrategy?
Section titled “comparisonStrategy?”EqualityComparisonStrategy<T, T> = FIND_INDEX_DEFAULT_COMPARISON_STRATEGY
The equality comparison strategy to use (default is “strict”).
Returns
Section titled “Returns”number
The index of the item in the array, or -1 if not found.