Element UI級聯選擇器報錯"TypeError: Cannot read property 'getElementsByClassName' of undefined"
點擊的時候第一層出現了但是點擊指南或者資源的時候，他就報錯Cannot read property 'getElementsByClassName' of undefined <el-cascader :options="options2" @change="handleItemChange"
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相關文章
- 1. react報錯 TypeError: Cannot read property 'setState' of undefined
- 2. × react報錯：TypeError: Cannot read property ‘render‘ of undefined
- 3. vue報錯："TypeError: Cannot read property 'forEach' of undefined"
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- 7. "TypeError: Cannot read property ‘_wrapper’ of undefined"
- 8. TypeError: Cannot read property 'key' of undefined
- 9. TypeError Cannot read property ‘nativeElement’ of undefined
- 10. TypeError: Cannot read property 'split' of undefined