If you're dealing with only a single observation point, which is usually the case, you can use either the capture or bubbling phase — there's no real difference.

如果处理单个观测点——这也是最常见的情况，使用哪个阶段都行，两者没有实际区别。

youdao

If you're dealing with only a single observation point, which is usually the case, you can use either the capture or bubbling phase — there's no real difference.

如果处理单个观测点——这也是最常见的情况，使用哪个阶段都行，两者没有实际区别。

youdao