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Slice function in javascript
Slice function in javascript












“The slice() method returns a shallow copy of a portion of an array into a new array object selected from start to end (end not included) where start and end represent the index of items in that array…" Below, you'll find a few tips I wish I had known when I started slicing, splicing, and dicing* arrays in JavaScript. It’s an operation so common that many languages, like Python, use bracket notation to make slicing almost as easy as retrieving an element (i.e., arr to retrieve element at index 3, arr to retrieve elements from index 0 to index 3). Most (all?) high-level programming languages have a similar method called by a similar name.

slice function in javascript

JavaScript’s slice() method was one of the first built-in methods I memorized after maybe length(). The ability to extract subarrays is key to array manipulation.














Slice function in javascript