1 <!doctype html> 2 <html lang="en"> 3 <head> 4 <meta charset="utf-8"> 5 <title>Long Page</title> 6 <script type="text/javascript"> 7 var startX; 8 var startY; 9 var cursorOnPage = false; 10 var pageReady = false; 11 var userWidth = screen.width; 12 var userHeight = screen.height; 13 14 function onLoad() { 15 document.addEventListener('mousedown', mouseDown); 16 document.addEventListener('mouseup', mouseUp); 17 var mainDiv = document.getElementById("longPage") 18 mainDiv.style.width = parseInt(userWidth * 15) + "px"; 19 mainDiv.style.height = parseInt(userHeight * 15) + "px"; 20 pageReady = true; 21 } 22 23 function mouseUp(e) { 24 cursorOnPage = ((e.pageX !=0) || (e.pageY !=0)) 25 clickCount = clickCount + 1; 26 console.log(clickCount, cursorOnPage) 27 } 28 29 function mouseDown(e) { 30 startX = e.pageX; 31 startY = e.pageY; 32 } 33 34 </script> 35 </head> 36 <body onload="onLoad()"> 37 <div id="longPage"></div> 38 </body> 39 </html> 40