var goodsDetailInfoZoom = null; function goodsDetailInfoZoomFunc() { if (goodsDetailInfoZoom !== null) { goodsDetailInfoZoom.destroy(); } window.setTimeout(function(){ goodsDetailInfoZoom = new IScrollZoom(".goods_info_zoom_wrapper", { zoom:true, scrollY: true, scrollX: true, eventPassthrough:false, preventDefault:false, lockDirection:false, bounce:false, momentum:false }); },200); } goodsDetailInfoZoomFunc();