Getting element node based on Javascript element based on position -


I am using a JavaScript function which fills nodes in the condition some append child (document. Something like getElementById ("foo")) . However, I do not have complete control over the surrounding code and it is likely that some element will be the same ID. Consider the following: 

  & lt; Div id = "foo" & gt; & Lt; Span id = "bar" & gt; 456 & lt; / Span & gt; & Lt; Script type = "text / javascript" & gt; Document.log (document.getElementById ("bar"). InnerText); & Lt; / Script & gt; & Lt; / Div & gt; & Lt; Hour & gt; & Lt; Div id = "foo" & gt; & Lt; Span id = "bar" & gt; 123 & lt; / Span & gt; & Lt; Script type = "text / javascript" & gt; Document.log (document.getElementById ("bar"). InnerText); & Lt; / Script & gt; & Lt; / Div & gt; In most browsers, the output will be:  
  456 456 123 456  
 
 instead of what I want, which 
 
  456 456 123 123  
 
 This result is not completely disappointed for me; I think why this is happening, I was expecting that I could do more than one JavaScript call 
 
  document.write (myscriptnode.parent.childnodes ['bar']. InnerText) < / Code> 
 
  Let's say I have nothing but control of script tags , is there a way to accomplish this?

About using javascript libraries such as jQuery, which lets you find CES-selector-like-syntax getElementById Allows the writing of insecurities, and helpful helpful methods such as parents ()


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