Generate HTML dynamically in javascript

Place a div tag in then body of the html where you the dynamic html to be displayed
<div id='dynhtml'></div>

Suppose you want a textbox control to be added each time in an on click event of a hyper link,
<a href="javascript:onclick=AddDynHTML()">Add Control</a>

Onclick javascript function:
Function AddDynHTML(){var newhtml="";//Create an html div element using createElement method var newdiv = document.createElement('div');//Put the new html content in a variable var newhtml = "<input type="'text'" name="'name'">"//Put the new html in the newly created div element using innerHTML method document.getElementById('dynhtml').innerHTML = newhtml;//Append the local div element to the div element in the body of the html page. dyn.appendChild(newdiv);}
You can use this logic according to your requirements.