Web Reference: The slice() method returns the selected element (s) in an array, as a new array object. The splice() method changes the original array and slice() method doesn’t change the original array. Jul 12, 2025 · In JavaScript, slice () and splice () are array methods with distinct purposes. `slice ()` creates a new array containing selected elements from the original, while `splice ()` modifies the original array by adding, removing, or replacing elements. Jan 16, 2026 · slice() is used to extract a portion of an array into a new array without modifying the original. In contrast, splice() is used to add, remove, or replace elements directly in the original array (it mutates the array).
YouTube Excerpt: Let's take a look at the differences between two very similarly named methods in
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