3/31/2023 0 Comments Javascript splice![]() ![]() But it adds an argument to the end of the array if the index is less than the array’s length. This is just the index at which we want our array to start the change, no element will be removed if the element's index is greater than the array’s length. The splice() property takes some parameters, these parameters are used to determine the behavior of whatever array the splice method’s been called upon. You can use the splice method in these stepsĪrr.splice(start, deleteCount, item1. Using the splice Javascript array method is easy, but the syntax is sometimes misused. How to use the Javascript array splice method The slice method doesn’t mutate or change your data but the splice method does and this is why the splice method can’t be used on strings: strings are immutable. It is important to know that splice and slice aren’t the same. Uncaught TypeError: strings.splice is not a function We would however receive, a type error saying: If we however tried to use this same method on the string prototype, like the example below If we take a look at the MDN website we would realize that the Javascript array prototype constructor, which allows us to add new methods and properties to the Array() object has a lot of methods and splice is one of them. Developers at any level can read and understand this article. In this guide, I will explain how to use the Javascript Array splice method. Splice is a Javascript Array method that changes the content of an array by deleting or replacing an existing element or adding a new element in place.
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