How can I get an element from within a frameset frame using JavaScript?
问题 I need to access and element from within a frameset frame. For example if I have the following markup: <frameset rows="33%,33%,*"> <frame src="frame1.html"/> <frame src="frame2.html"/> <frame src="frame3.html"/> </frameset> How can I get some element from one of the child frames? I have tried this: window.frames[1].getElementById('someElementId') This results in a type error : getElementById() is not a function. Can someone assist? Thanks! 回答1: You need to get the Document object for the