滑鼠滾輪改變圖片大小的範例程式碼 <BR>function onWheelZoom(obj){ <BR> ); <BR> tZoom = zoom (event.wheelDelta>0 ? 0.05 : -0.05); <BR> style.zoom=tZoom; <BR> return false; <BR>} <BR> src="http://files.jb51.net/file_images/article/201311/20131120101711.png" style="zoom:1;" onmousewheel='return onWheelZoom(this)'>