建议把调用改成onmousemove 更直观一点
<input type="range" min="-360" max="360" id="rotatex" value="0" class="range-control" onmousemove="rotate()" /><br/>
<input type="range" min="-360" max="360" id="rotatex" value="0" class="range-control" onmousemove="rotate()" /><br/>
2015-12-08