Parameter
Description
Modifies an array by removing elements and adding new elements. It starts from the index, removes as many elements as specified by elementCountForRemoval, and puts the replacements starting from index position.
Returns
Updated array.
Syntax
ArraySplice(array,index[,elementCountForRemoval,replacements])
Member function
array.splice(index,elementCountForRemoval,replacements)
History
New in ColdFusion (2018 release) Update 5: Added the function.
Parameters
|
Required/Optional |
Description |
---|---|---|
array |
Required |
The array to splice and modify. |
index |
Required |
The position at which to start modifying the array. If the position is greater than the length of the array, the start is set to the length of the array. If the position is less than 0, the start is set to the beginning of the array and the origin is set accordingly. |
elementCountForRemoval |
Optional |
The number of elements to be removed starting with the start index. |
replacements |
Optional |
Array of elements to be added to the array starting with index start. |
Examples
Example 1
<cfscript> months = ['Jan', 'March', 'April', 'June'] item=["Feb"] // Insert Feb at position 2 while removing 0 elements ArraySplice(months,2, 0, item) WriteDump(months) </cfscript>
Output
Example 2
<cfscript> months = ['Jan', 'March', 'April', 'June'] item=["Feb"] // Insert at position 3 while removing 2 elements ArraySplice(array=months,index=3, elementCountForRemoval=2, replacements=item) WriteDump(months) </cfscript>
Output
Example 3
<cfscript> months = ['Jan', 'March', 'April', 'June'] item=["Feb"] // Insert at position -3 while removing 0 elements ArraySplice(months,-3, 1, item) WriteDump(months) </cfscript>
Output
Example 4
<cfscript> months = ['Jan', 'March', 'April', 'June'] item=["Feb"] // Insert at position 5, which is greater that the length of array ArraySplice(months,5, 0, item) WriteDump(months) </cfscript>
Output
Member function
<cfscript> months = ['Jan', 'March', 'April', 'June'] item=["Feb"] // Insert at position 3 while removing 2 elements months.Splice(3, 2, item) WriteDump(months) </cfscript>
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