<span style="display:inline-block; width:40px; height:40px; border:red solid thin; "><svg ><script type="application/ecmascript"> function circle_click1(evt) {
alert("red");
}</script><defs>
<clipPath id="clipPath">
<rect x="15" y="15" width="40" height="40" />
</clipPath> </defs><circle onclick="circle_click1(evt)" cx="25" cy="25" r="20" style="fill: red; clip-path: url(#clipPath); " /></svg></span><span style="display:inline-block; width:40px; height:40px; position: relative; left:-20px; border:blue solid thin; "><svg> <script> function circle_click2(evt) {
alert("blue");
}</script><defs>
<clipPath id="clipPath2">
<rect x="15" y="15" width="40" height="40" />
</clipPath> </defs> <circle onclick="circle_click2(evt)" cx="25" cy="25" r="20"
style="fill: blue; clip-path: url(#clipPath2); " />
我使用上面的代码显示两个svg圆圈,一个是红色,另一个是蓝色,每个圆圈有一个跨度容器,一个跨度与另一个跨度重叠。如何使蓝色矩形跨度下的红色圆圈有鼠标事件?