滑鼠滾輪改變圖片大小的範例程式碼_javascript技巧

滑鼠滾輪改變圖片大小的範例程式碼
<script> <BR>function onWheelZoom(obj){ <BR>   ); <BR>        tZoom = zoom (event.wheelDelta>0 ? 0.05 : -0.05); <BR>       style.zoom=tZoom; <BR>        return false; <BR>} <BR></script>

src="http://files.jb51.net/file_images/article/201311/20131120101711.png" style="zoom:1;"

onmousewheel='return onWheelZoom(this)'>