isTrusted en eventos...

[UlisesGascon]

(function (){
    var button =  document.querySelector("button");

    button.addEventListener("click", cambiarFondo);

    function cambiarFondo(e) {
        if(e.isTrusted){

            // color = 'rgb(0-255,0-255,0-255'
            var color = 'rgb(' + Math.floor((Math.random() * 255))+ ',';
            color += Math.floor((Math.random() * 255)) + ',';
            color += Math.floor((Math.random() * 255)) + ')';
            document.body.style.backgroundColor= color;
            console.info("Nuevo color:", color);
            console.log(e)
        } else {
            console.log("Eres un 🍠")
        }

    }
})()