关于最后的规则中第二条

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#1 Created at ... [Delete] [Delete and Lock User]

用parseInt()或parseFloat()转换任意类型到number；

为什么不是用Number()呢，请问会有什么区别么？

#2 Created at ... [Delete] [Delete and Lock User]

parseInt('12.34'); // => 12
parseFloat('12.34'); // => 12.34
Number('12.34'); // => 12.34

parseFloat(''); // NaN
Number(''); // => 0

根据需要自己选择

#3 Created at ... [Delete] [Delete and Lock User]

parseInt('10',10); //10
parseInt('10',16); //16

parse 更灵活点儿吧

根据需要