Uncaught TypeError: Cannot read property 'getAttribute' of undefined(…)?
控制台输入$("#username").rules()后出现Uncaught TypeError: Cannot read property 'getAttribute' of undefined(…)的错误?
控制台输入$("#username").rules()后出现Uncaught TypeError: Cannot read property 'getAttribute' of undefined(…)的错误?
2016-03-13
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