| OLD | NEW |
| (Empty) |
| 1 <html> | |
| 2 <head> | |
| 3 <style> | |
| 4 body { margin: 0; } | |
| 5 #drag_div { | |
| 6 width: 100%; | |
| 7 height: 100%; | |
| 8 background: blue; | |
| 9 position: relative; | |
| 10 } | |
| 11 </style> | |
| 12 <script> | |
| 13 offsetX = 0; | |
| 14 offsetY = 0; | |
| 15 | |
| 16 function drag(event) { | |
| 17 d = document.getElementById('drag_div'); | |
| 18 offsetX = event.clientX - d.offsetLeft; | |
| 19 offsetY = event.clientY - d.offsetTop; | |
| 20 } | |
| 21 | |
| 22 function drop(event) { | |
| 23 d = document.getElementById('drag_div'); | |
| 24 d.style.left = event.clientX - offsetX; | |
| 25 d.style.top = event.clientY - offsetY; | |
| 26 } | |
| 27 | |
| 28 function touchStart(event) { | |
| 29 d = document.getElementById('drag_div'); | |
| 30 offsetX = event.touches[0].clientX - d.offsetLeft; | |
| 31 offsetY = event.touches[0].clientY - d.offsetTop; | |
| 32 } | |
| 33 | |
| 34 function touchEnd(event) { | |
| 35 d = document.getElementById('drag_div'); | |
| 36 d.style.left = event.changedTouches[0].clientX - offsetX; | |
| 37 d.style.top = event.changedTouches[0].clientY - offsetY; | |
| 38 } | |
| 39 | |
| 40 </script> | |
| 41 </head> | |
| 42 | |
| 43 <body id ="body"> | |
| 44 <div id="drag_div"> </div> | |
| 45 </body> | |
| 46 <script> | |
| 47 document.getElementById('body').addEventListener('mouseup', drop); | |
| 48 document.getElementById('body').addEventListener('touchend', touchEnd); | |
| 49 document.getElementById('drag_div').addEventListener('mousedown', drag); | |
| 50 document.getElementById('drag_div').addEventListener('touchstart', touchStart)
; | |
| 51 </script> | |
| 52 </html> | |
| OLD | NEW |