title: Change HTML code without refreshing the page
body: <p>Is there any possibility <code>how to change HTML</code> (.jsp) page <code>without refreshing</code> it?</p>
  
  <p>Usecase is that user writes something to textarea then hits some button and I need then to add some object ie picture to previously defined place in my page ~~~> I need to change HTML code without refreshing the page (without the loss of the text in the textbox). I really need to change the HTML code, so pls don't advice any solution without changing the HTML code.</p>
  
  <p>I'm not very into frontend technologies, so I don't know if it's even possible, so excuse me pls, if this is a stupid question.</p>
  
  <p>I can use only frontend technologies. </p>