Railo 4.2 Reference
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Object Method Array.deleteAt

Deletes an element from an array and resizes the array so that the deleted element doesn't leave a gap.
Array.deleteAt(number position):boolean


The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
position number  Yes The numeric position of the element. Remember that CFML arrays start at 1 not 0.