Bookmarklet of Touch Events Logger

touchEventLogger.bookmarklet.js

javascript:(function(){var a=document.createElement("div");a.style.cssText="position: fixed;bottom: 10px;right: 10px;padding: 10px;background: yellow;z-index: 2147483647";window.console={log:function(e){a.innerHTML+=e+"<br />\n"}};"loading"!==document.readyState?document.body.appendChild(a):document.addEventListener("DOMContentLoaded",function(){document.body.appendChild(a)},!1)})();
"touchstart touchmove touchend touchcancel pointerdown pointermove pointerup pointercancel click dblclick mousedown mouseup mousemove".split(" ").forEach(function(a){document.addEventListener(a,function(a){var d=a.type,b,c;switch(d){case "touchstart":b=a.touches;break;case "touchmove":case "touchend":case "touchcancel":b=a.changedTouches}void 0===b?(c=1,b=a):(c=b.length,b=b[0]);console.log([d,b.button,b.buttons,c,a.target.nodeName,b.pageX,b.pageY,Date.now()].join(", "))},!0)});