![]() ![]() After that, we used the array with the spread operator in the ‘’ braces to make its clone and used the splice() method. In the example below, we have created an array of various strings. In the above syntax, the array is an original array with that we have used the spread operator to make its clone and used the splice() method with the cloned array. Users can follow the syntax below to use the spread operator to splice an array without mutating the original array. ![]() We can create a clone of the original array using the spread operator, and after that, we can use the splice() method with the cloned array to splice an array without mutating the original array. The spread operator allows us to make a clone of the array. Use the spread operator to splice an array without mutating the original array Now, we will see different approaches to splicing an array without mutating the original array. If we pass 0 as a value of count, it inserts the elements at startIndex.Įlement1, element2, …, element − It is new array elements to start replacing or inserting from the start index. StartIndex − It is the first index to insert or remove elements from the array.Ĭount − It is a number of elements to replace in the array. let results = array.splice(startIndex, count, element1, element2, element3. Users can follow the syntax below to use the array.splice() method. So, we will make a clone of the array and use the splice() method with cloned array to keep the original array the same. Whenever we use the original array with the splice() method, it either inserts or removes some elements from the original array. Mutating the original array means making changes to the array. This tutorial will teach us to splice an array without mutating the original array. It takes the number of elements to delete from the array as a second parameter and array values as the third parameter to insert into the array. We can pass the starting index as the first parameter of the splice() method, from which we can insert or delete the elements. The splice() method inserts or deletes single or multiple elements from the array. In JavaScript, we can use the splice() method to splice an array. ![]()
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