ErrorError in nextTick: "TypeError: Cannot read properties of undefined (reading 'nodeName')" in nextTick: "TypeError: Cannot read properties of undefined (reading 'nodeName')"

Error in nextTick: "TypeError: Cannot read properties of undefined (reading 'nodeName')"

 

 

当遇见这种问题时，可以先排查 v-for 循环中的key 值是否写的合理  ：

:key='`${index}-${Math.random()}`'  我写的，会错乱的。