JavaScript splice () method
Examples
Add a new element in the array:
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2,0,"Lemon","Kiwi");
fruits.splice(2,0,"Lemon","Kiwi");
fruits output:
Banana,Orange,Lemon,Kiwi,Apple,Mango
try it"
Definition and Usage
splice () method is used to insert, delete or replace the elements of the array.
NOTE: This method changes the original array!.
Browser Support
All major browsers support splice ().
grammar
array .splice (index, howmany, item1, ....., itemX)
Parameter Values
| 参数 | 描述 |
|---|---|
| index | 必需。规定从何处添加/删除元素。 该参数是开始插入和（或）删除的数组元素的下标，必须是数字。 |
| howmany | 必需。规定应该删除多少元素。必须是数字，但可以是 "0"。 如果未规定此参数，则删除从 index 开始到原数组结尾的所有元素。 |
| item1 , ..., itemX | 可选。要添加到数组的新元素 |
return value
| Type | 描述 |
|---|---|
| Array | 如果从 arrayObject 中删除了元素，则返回的是含有被删除的元素的数组。 |
technical details
| JavaScript version: | 1.2 |
|---|
More examples
Examples
Remove the third element of the array, and add a new element in the array third position:
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2,1,"Lemon","Kiwi");
fruits.splice(2,1,"Lemon","Kiwi");
fruits output:
Banana, Orange, Lemon, Kiwi, Mango
try it"
Examples
Remove from the beginning of the third position after the two elements of the array:
var fruits = [ "Banana", "Orange", "Apple", "Mango"];
fruits.splice (2,2);
fruits.splice (2,2);
fruits output:
Banana, Orange
try it"