[Project_owners] finding the <form/> of an <input/>

Eric H. Jung grimholtz at yahoo.com
Tue Mar 21 11:56:37 EST 2006


Hi,

Given an <input/> field, I'm trying to determine the <form/> in which it's contained. I've written
this recursive function:

/** Returns null if there is no form **/
findForm : function(node) {
  // |node| is an <input type="text"/> field
  if (node.nodeName == "FORM")
    return node;
  return node.parentNode ? this.findFormName(node.parentNode) : null;
},

This works for all pages I've tried except this one: http://passwordmaker.org/proto/eraseme.html.
In that case, the function returns null. I don't understand why it's not working. Anyone care to
take a look?

Thanks in advance,
Eric

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