items_list: The list of new items separated by comma operator that is to be inserted from the starting index.

remove_count: The number of elements to be removed from the starting index.

This can be negative also, which begins after that many elements counting from the end. This parameter is the index that start modifying the array (with origin at 0). Parameter: This method accepts many parameters some of them are described below: The full syntax of the splice() method is as follows: SyntaxĪrray.splice(start, removeCount, item_list):

You just need to pass the elements you want to add to the array after the delete count. The method also allows you to add new elements right after the delete operation. How to remove and add array elements with splice() Let months = įrom the above example You can use the splice() method to remove the day names from the months method and add it to a new array at the same time: let months = Ĭonsole.log(days) // The splice() method overwrites the original array.The splice() method adds and/or removes array elements.

The arr.splice() method is an inbuilt method in JavaScript. Here is an example: var colors = Ĭonsole.log(rgb) // Slice() method is to copy a portion of an array without modifying the source array. If this argument is not defined then the array till the end is extracted as it is the default end value If the end value is greater than the length of the array, then the end value changes to the length of the array.ġ. end: This parameter is the index up to which the portion is to be extracted (excluding the end index).begin: This parameter defines the starting index from where the portion is to be extracted. If this argument is missing then the method takes begin as 0 as it is the default start value.

Parameters: This method accepts two parameters as mentioned above and described below: The slice() method does not change the original array.The slice() method selects from a given start, up to a (not inclusive) given end.The slice() method returns selected elements in an array, as a new array.

Slice javascript array