html - Execute JavaScript when Select Element Has Only 1 Option -


i have select element in html form. options of element populated dynamically. when there more 1 option have javascript execute when user selects option like.

however, when select element has 1 option have javascript submit automatically. tried setting option selected , adding onselect. don't think onload work either.

this html when there 1 option:

<select name="acctnumber_box" id="acctnumber_box" onselect="filldistributoracctnumber (value)">                                    <option selected="selected"><%=customernumber %> &nbsp; <%= customername %></option> </select>

does have solution this?


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