// default body is margin 0 and padding 0
$('body').css("margin","20px");
$('body').css("padding","20px");
document.write (`<h1>Websocket server test </h1><button onclick="test();"class=ab-largenormbutton >Test</button><div id="out"></div>`);
$("#out").html ("<p> No websocket detected </p>");
AB.socketStart();function test(){if( AB.socket.connected ) $("#out").html ("<p style='color:green; font-weight:bold;'> Websocket server up </p>");else $("#out").html ("<p style='color:red; font-weight:bold;'> No websocket detected </p>");}