javascript 可以拖动的DIV(二)
function beginDrag(elementToDrag,event) { var =event.clientX-parseInt(elementToDrag.style.left); var deltaY=event.clientY-parseInt(elementToDrag.style
function beginDrag(elementToDrag,event) { var =event.clientX-parseInt(elementToDrag.style.left); var deltaY=event.clientY-parseInt(elementToDrag.style