<HTML>
<HEAD>
<TITLE></TITLE>
<SCRIPT language="javascript">
function add(type) {
//Create an input type dynamically.
var element = document.createElement("input");
//Assign different attributes to the element.
element.setAttribute("type", type);
element.setAttribute("value", type);
element.setAttribute("name", type);
var foo = document.getElementById("fooBar");
//Append the element in page (in span).
foo.appendChild(element);
}
</SCRIPT>
</HEAD>
<BODY>
<FORM>
Select the element and click Add to add it in form.
<BR/>
<SELECT name="element">
<OPTION value="button">Button</OPTION>
<OPTION value="text">Textbox</OPTION>
<OPTION value="radio">Radio</OPTION>
</SELECT>
<INPUT type="button" value="Add" onclick="add(document.forms[0].element.value)"/>
<span id="fooBar"> </span>
</FORM>
</BODY>
</HTML>
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