JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="groupName" />
<input type="text" id="groupColour" />

JavaScript

$(document).keypress(function(e) {
    if(e.which == 13) { //When you pressed enter!
        var name = $('#groupName').val();
        var color = $('#groupColour').val();

        $.post('insert.php',{name: name, color: color});
    }
});