Error in callback for watcher "value": "TypeError: this.forest.selectedNodeIds.forEach is not a function"
时间: 2024-01-26 17:36:18 浏览: 31
根据引用\[1\]中的错误信息,错误是在watcher的回调函数中出现的,具体错误是"TypeError: Cannot read properties of undefined (reading 'apply')"。根据引用\[2\]中的报错信息,可能是由于箭头函数引起的this指向问题。然而,根据引用\[3\]中的建议,你可以检查后台接口返回的数据是否为null,如果是null的话,需要将其改为''。所以,根据你提供的错误信息,可能是在watcher的回调函数中使用了forEach方法,但是this.forest.selectedNodeIds不是一个函数。你可以检查一下this.forest.selectedNodeIds的值是否正确,并确保它是一个数组。
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