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splice Method (Array) (JavaScript) | Microsoft Docs |
01/18/2017 |
windows-client-threshold |
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language-reference |
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85fdfb13-e3d9-4c89-b524-3ccee7001c93 |
9 |
mikejo5000 |
mikejo |
ghogen |
Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.
arrayObj.splice(start, deleteCount, [item1[, item2[, . . . [,itemN]]]])
arrayObj
Required. An Array object.
start
Required. The zero-based location in the array from which to start removing elements.
deleteCount
Required. The number of elements to remove.
item1, item2,. . ., itemN
Optional. Elements to insert into the array in place of the deleted elements.
The splice method modifies arrayObj by removing the specified number of elements from position start and inserting new elements. The deleted elements are returned as a new Array object.
The following code shows how to use the splice method.
var arr = new Array("4", "11", "2", "10", "3", "1");
arr.splice(2, 2, "21", "31");
document.write(arr);
// Output: 4,11,21,31,3,1
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