Extensions in Kotlin and GroovyKotlin and Groovy have mechanisms for extending existing classes without using inheritance or decorators. In both languages, the mechanisms are called extension methods. Their source code looks different, but generated by...
It happens when trying to check visibility of component. So be careful withcomponent.isVisible()as it fails on Chrome.Same thing is for GXT (extgwt from Sencha) as it calls underlaying GWT's isVisible()(UncaughtExceptionHandler.java:23) 2012-07-30...
