Pass Item to item Values Using Javascript

Pass Item to item Values Using Javascript in Oracle APEX

Here you have two page items, and a button
eg.-
P3_EMAIL
P3_EMAILVIEW
Show_BTN

Problem- Pass  value of P3_EMAIL  to P3_EMAILVIEW

Step 1 - disable item P3_EMAILVIEW using disable property

Step 2- Add dynamic Action for the button Show_BTN

        
                -  Create dynamic Action 
                - Add action Execute Java Script expression   
                     

var a = document.getElementById("P3_EMAIL").value;
document.getElementById("P3_EMAILVIEW").value=a;

                 - Affected Element > Selection Type - Items> items- P3_EMAILVIEW

Dynamic Action

Result