问题:
What is the difference between the dot (.)
and the dollar sign ($)
? 点(.)
和美元符号($)
什么区别?
As I understand it, they are both syntactic sugar for not needing to use parentheses. 据我了解,它们都是不需要使用括号的语法糖。
解决方案:
参考一: https://stackoom.com/question/3wdS/之间有什么区别-点-和-美元符号参考二: https://oldbug.net/q/3wdS/What-is-the-difference-between-dot-and-dollar-sign
来源:oschina
链接:https://my.oschina.net/u/4428122/blog/4339748