A detailed description of JavaScript common functions

1,splice (). Arrayobject.splice (index,howmany,item1,....., ItemX)

The parameter index is required. An integer that specifies the location of the Add/remove item, using a negative number to specify the position from the end of the array.

Howmany required. The number of items to delete. If set to 0, the item is not deleted.

Item1, ..., ItemX Optional. Adds a new item to the array.

The return value returns the processed array.

Note All major browsers support the splice () method.

<script type= "Text/javascript" >var arr = new Array (6) arr[0] = "George" arr[1] = "John" arr[2] = "Thomas" arr[3] = "Jame S "arr[4] =" Adrew "arr[5] =" Martin "

document.write (arr + "<br/>")

arr.splice(2,3,"William")

arr.splice(2,0,"William")

</script>

A detailed description of JavaScript common functions