JSFiddle - React, Tailwind, and code Playground

HTML

<div class="input string optional"><label for="company_navn" class="string optional"> Name</label><input type="text" size="50" name="company[navn]" maxlength="255" id="webhost_navn" class="string optional"></div>
<div id='green' style="width:30px;height:30px;margin-top:10px;display:block;background:green;"></div>
<div id='red' style="width:30px;height:30px;margin-top:10px;display:block;background:red;"></div>

CSS

label {display:block;}
#webhost_navn{color:white};

JavaScript

$("#red").live("click",function()
{
    $("#webhost_navn").val("i");
});
$("#green").live("click",function()
 {
     $("#webhost_navn").val("");
 });