Display values from multiple checkboxes and drpdowns in one text area

I have 2 divs with checkboxes and 2 different dropdowns (using option). I need to combine values from them to one text with certain separator in order to get combined link. Also 1 div with checkboxes has labels with pictures, that should be showed in particular area when checkbox was checked. And after by clicking on picture in this area u can uncheck checkbox and delete picture from this area. P.S. checkbox should be added to link in сheckbox selection order. Thank you!