JavaScript to auto populate text field value

[omanbux]

hi, i need javascript to manage my bellow issue. can u pls help me.. thanks in advance.

"aa" field is empty, "bb" field also empty

"aa" field have some value then "bb" field value = "cc" field value

[try67 · Accepted solution]

Enter this code as the custom calculation script of "bb":

event.value = (this.getField("aa").valueAsString=="") ? "" : this.getField("cc").valueAsString;

[omanbux]

always amazing support form try67. thanks a lot..