<html><body><script language="JavaScript">function function1() { var newElement = document.createElement('u'); newElement.innerHTML = 'Text'; var oldElement = document.all.myBold; document.all.myDiv.replaceChild(newElement, oldElement); } </script><button onclick="function1();">Replace text</button><div id="myDiv" style="width:300; height:200; border:solid black 1px;">Sample <b id="myBold">text</b></div></body></html>
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