copyField
The copyField method copies a sub field to another sub field. If the target sub field exists it is overwritten.
Syntax
copyField ( from, to [, case])
Arguments
| Argument | Description | 
|---|---|
| from | (string) The name of the field to copy. | 
| to | (string) The name of the field to copy to. | 
| case | (boolean) A boolean that specifies whether the from argument is case sensitive. The argument is case sensitive by default (true). |