数据分析师2017-10-01 00:50:47
The problem of merging arrays with jquery source code?-PHP Chinese website Q&A-The problem with merging arrays with jquery source code?-PHP Chinese website Q&A
Look around and learn.
迷茫2017-03-15 09:04:21
+second.length中, 若second.length为数字型的字符串, 如"123", 将会被转换为123(number类型), 若为非数字型字符串,将会被转换为NAN.
这是JS中的一种特殊写法!