js在括号中声明的函数,为什么未定义?
phpcn_u275
phpcn_u275 2017-01-24 11:04:32
0
2
1127

 js在括号中声明的函数,为什么未定义?
bVIBbf.png

phpcn_u275
phpcn_u275

reply all(2)
数据分析师

JS function declared in parentheses, why is it undefined? -PHP Chinese website Q&A-Why is the function declared in parentheses in js undefined? -PHP Chinese website Q&A

Let’s take a look and learn.

阿神

函数表达式的函数名字,它的作用域只在它自身内部,而不是这个函数所在的外部作用域。

Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!