原文:Cannot read property 'defaultView' of undefined js操作異常

在function obj 函數中操作對象時,突然遇到 Cannot read property defaultView of undefined js報錯 打印出obj即可發現問題,在js函數傳參時 this 傳遞的是父類的jquary對象,this傳遞的是父類HTML對象。當this包含在B函數對象中調用時,需要在調用B之前把this復制一份var thisObj this。 ...

2016-12-02 13:18 0 6307 推薦指數:

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js報錯Cannot read property 'length' of undefined

網上找到的答案:js報錯Cannot read property 'length' of undefined時一般是傳入的參數是undefined 我原來的代碼是 由於txtKldgAnswer被替換成CKEDITOR.replace('txtKldgAnswer ...

Wed Jun 24 00:24:00 CST 2020 0 5412
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
 
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