[iText-questions] setJavaScript_onLoad() and setJavaScript_onUnLoad()

[Dharmendra Sharma]

Hi all ,   Any one please tell me  whats are setJavaScript_onLoad()  and setJavaScript_onUnLoad()  methods of Document  and how to use it.   Are these use to call _javascript_s on Document load and unload??   Thanks & Regards, Dharmendra Sharma