Edit the text in the "Script" field to make any changes to what is already there. Then click the "Try it" button. The "Try it" button will use the text in the "Script"field for its script.
Click the "Reset Field to Original" button to return the field to its original text. (That text is stored in a hidden field called, Holder. It never changes.)
To see the script of any BUTTON:
Press the Command and Option key then click the button.
To see the script of any FIELD:
Press the Command and Option and Shift key then click the field.
To see the script of any CARD:
Press the Command and Option key then press "c" key while on that card.
To see the script of any BACKGROUND:
Press the Command and Option key then press "b" key while on that background.
To see the script of any STACK:
Press the Command and Option key then press "s" key while in that stack.