TypeError: Cannot create property '0' on string ''

Question

onCollect(event) {
//从缓存中读取所有文章收藏状态数据
const postsCollected =this.data._postsCollected
//修改当前文章的收藏状态
postsCollected[this.data._pid] = !this.data.collected

最后一行代码执行的时候报错 TypeError: Cannot create property ‘0’ on string ‘’

Answer 1

7七月 2024-12-31 12:06:09

这个应该是代码写错了，仔细排查下