Verify UTF-8

var typeEnconding = function() {
    this.charset = document.inputEncoding;
    this.iqual = 'UTF-8';
}
var newE = new typeEnconding();

function scan(ch) {
    if (ch.charset == ch.iqual) {
        accept(ch);
    } else {
    	not(ch);
    }
}
scan(newE);

function accept(data) {
	var txtAccept = 'Aprobado: ' + data.charset;

 	//Insert in body
 	document.body.insertAdjacentHTML('afterbegin', 

 			'<h1 style="background-color:black;color:white;text-align: center">'+
 				txtAccept
 			+'</h1>' +
 			'<p style="background-color:black;color:white;text-align: center;">ÑÑѨ{´+{+´{´ZPÑOZP´´Ñ´_--,XPC´´SCÑ: <b style="color:red;">Funciona Perfecto :)</b></p>'

 	);

}

function not(data) {
	alert('No tienes integrado UTF-8, y tienes: ' + data.charset);
}