Bookmark doodle rect

gistfile1.txt

javascript:!function(e,t){function n(e,t,n){e.addEventListener(t,n)}function o(e){27==e.which&&(i.removeChild(r),i.removeEventListener("keydown",o))}var i=t.body,d=t.documentElement,r=t.createElement("canvas"),a=r.width=Math.max(e.innerWidth,d.clientWidth,i.clientWidth),h=r.height=Math.max(e.innerHeight,d.clientHeight,i.clientHeight),c=r.style;c.position="absolute",c.left=c.top=0,c.width=a+"px",c.height=h+"px",c.zIndex=1e4,c.cursor="crosshair",i.appendChild(r);var l=r.getContext("2d");l.strokeStyle="undefined"!=typeof BDColor?"#"+BDColor:"#000",l.lineWidth=3;var u=!1,s={x:0,y:0};n(r,"mousedown",function(e){s.x=e.pageX,s.y=e.pageY,u=!0}),n(r,"mouseup",function(){u=!1}),n(r,"mousemove",function(e){if(u){var t=e.pageX,n=e.pageY;l.strokeStyle="undefined"!=typeof BDColor?"#"+BDColor:"#000",l.clearRect(0,0,a,h),l.beginPath(),l.rect(s.x,s.y,t-s.x,n-s.y),l.stroke()}}),n(i,"keydown",o)}(window,document);void(0);