I am trying to detect whenever an array has a duplicate value and then
produce an alert to the user that a dupe exists with the value of the
dupe.
Reading 'Prototype & Scriptaculous IN ACTION', I have been able to
begin the coding to obtain the textarea values and sort the resultant
array. I am having trouble coding the duplicate value detection.
Here is my limited code:
var txtarea = $F('txtarea4').split(/[\n\r]+/);
var atxtarea = $A(txtarea).sort();
I think I should use the .detect or .any methods.
Frank
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