The splice Javascript Array method changes the content of an array by deleting or replacing an existing element or adding a new element in place. - by Iggy_code javascript programming
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. But it adds an argument to the end of the array if the index is less than the array’s length.This is an optional parameter that denotes the number of elements to be removed from the array, to delete or remove an element the start parameter must be present.
If you don’t include this parameter, or if it has equal value to the array’s length or is even greater than the array’s length, all the elements from the start parameter to the last item in the array would be removed. Note, this parameter must be included if there’s an item parameter present.If we don’t state the elements, the Javascript array’s splice method will delete elements from the array. This would return an empty array.
In the preceding code, we try to remove an element on index 3, meaning as soon as it gets to index 3 whatever items it finds would be deleted without replacing it with any element.const myMusic=['piano', 'guitar', 'drum', 'violin', 'orchestra']// removedElement is ['violin'] Similarly, as soon as we got to index 3, whatever it finds, in this case, ‘orchestra’, would be deleted, and add newer ones , The code above shows how ‘drum’ was added to the array. Starting from index 2 the zero tells it to remove nothing, if we had 1 there it would remove 1 element and add the item we want, and so on.Say we wanted to remove one item or element without adding a new one into the array, we could just write it like the preceding code snippetconst removedElement=myMusic.
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