Javascript Indexof And Lastindexof Array G5zvqCow Y8

Web Reference: Jul 10, 2025 · The lastIndexOf () method of Array instances returns the last index at which a given element can be found in the array, or -1 if it is not present. The array is searched backwards, starting at fromIndex. The lastIndexOf() method returns -1 if the value is not found. The lastIndexOf() starts at a specified index and searches from right to left (from the given postion to the beginning of the array). Apr 15, 2024 · Both indexOf () and lastIndexOf () are built-in Javascript methods used to find the position of a specific element in an array. However, they differ in the direction they search the array and the occurrence they return.

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