完整代码：

$("#lay1").append("<span class=\"new1\" οnclick=\"getZoomUrl('sensor.html?device_id=" + device[0].imei + "', '1200px', '37.5rem')\"><img src=\"images/zoom.png\"></span>");

代码分解:

var url ="<span class=\"new1\" οnclick=\"getZoomUrl('sensor.html?device_id=" + device[0].imei + "', '1200px', '37.5rem')\"><img src=\"images/zoom.png\"></span>";
 $("#lay1").append(url);

Done!