reverse():Reversing the elements of an array.length:Length property to get the total number of elements in an array.sort():Sorting of elements of an array using function.join():Displaying elements of an array using join() function.Displaying elements of an array by looping through.JavaScript Home document window String Array Date & Time Form Validation Event handling Math basic loop #javascript, #slice, #shallowCopy #negativeIndexing #webdesign #webdevelopment #frontendĪ comprehensive guide to arr.Plus2net HOME PHP HTML Python SQL ASP jQuery C PhotoShop To understand all these concepts clearly, explained with well designed graphics, this article is much recommended. For non-primitive values, any changes done in the resulting array items will be reflected to the original array and vice-versa.Thus, in the new array primitive values get a new copy whereas the non-primitives get only the copy of reference to original objects.The method returns a shallow copy of the original array into a new array.We can use negative indexes with the slice() method which makes it even more useful.It does not make modifications to the original array/string.It has two optional parameters which we can use in different combinations to get interesting results.In technical terms, the slice()method can be applied to two types of objects in Javascript: Strings and Arrays.Ī few things to note about slice() method: There are two types of things(more appropriately called objects) which we can get a slice of. The slice() method gives us a slice(a portion) of things. Personal blog posts that are relevant to the subreddit's stated subject matter don't need prior approval (and are encouraged!).

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Array slice in javascript