原文:Cannot read property 'apply' of undefined

Cannot read property apply of undefined 報錯沒影響功能 報錯原因: input標簽定義了blur事件,但methods中沒有對應聲名改方法, 因為我注釋了methods中的onBlur,細節,坑 ...

2021-05-13 11:09 0 3242 推薦指數:

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Cannot read property 'apply' of undefined

...TypeError: Cannot read property 'apply' of undefined :一般都是作用域不對 ...TypeError: Cannot read property 'Anything' of undefined :一般都是變量未傳入 ...

Fri Apr 17 07:04:00 CST 2015 0 3134
Cannot read property 'XXX' of undefined"

實例: 報錯:Cannot read property 'itemGroupList' of undefined" 解決方法:在itemGroupList上一層判斷一下父級元素 ...

Thu Jun 18 23:28:00 CST 2020 0 6188
 
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