In my Apache ofbiz project i have implemented own JavaScript in Minilang code
1. Add below line of code to give reference of JavaScript File in ogbiz Screen
1. Add below line of code to give reference of JavaScript File in ogbiz Screen
<actions>
<set field="titleProperty" value="ProductFindFacilities"/>
<set field="headerItem" value="facility"/>
<set field="layoutSettings.javaScripts[+0]" value="/images/TestJavaScript.js" global="true"/>
</actions>
2. by using Event and Action attribute as below to call javascript function from minilang form code
<field name="submitButton" title="Get Inventory Feed" widget-style="smallSubmit" event="onclick" action="javascript:return submitFormEnableButtonByNameTest(this,submitButton)">
<submit button-type="submit" />
event > it use for write javaScript event like onClick, onMouseOver etc
action > use for call funtion name of JavaScript