JSFiddle - React, Tailwind, and code Playground

by btevfik

HTML

<input type="text" id="domain"/>
<select>
  <option value=".com">.com</option>
  <option value=".net">.net</option>
  <option value=".org">.org</option>
</select>
<input type="submit" id="button" value="check" />

JavaScript

$("#button").click(function(){
    if($("#domain").val().indexOf(".net") > 0)
    {
        $("select").val(".net");
        var input = $("#domain").val();
        input = $("#domain").val().replace(".net","");
        $("#domain").val(input);
    };
});