copyField
The copyField method copies a field value to a new field. If the target field already exists it is overwritten.
Syntax
copyField ( sourcename, targetname [, case] )
Arguments
| Argument | Description | 
|---|---|
| sourcename | (string) The name of the field to copy. | 
| targetname | (string) The destination field name. | 
| case | (boolean) A boolean that specifies whether sourcenameis case-sensitive. The field name is case sensitive by default (true). |