使用jQuery插件实现的时速表、仪表盘特效代码，仪表盘指针会根据速度的变化旋转指针到指定刻度，为了演示方便，示例允许用户自定义一个时速，改变默认的数字“90”，改成其它的数字，看一看仪表盘的变化，整体效果挺逼真的jQuery特效。-Achieved using jQuery plugin speedometer dashboard effects code, dashboard pointer will change according to the speed of rotation of the pointer to the specified scale, in order to facilitate presentation, the sample allows users to customize a speed, change the default number　90　into other the figures look dashboard changes, the overall effect is very realistic jQuery effects.