为什么++ [[]] [+ []] + [+ []]返回字符串“ 10”?
问题: This is valid and returns the string "10" in JavaScript ( more examples here ): 这是有效的,并在JavaScript中返回字符串 "10" ( 此处有更多示例 ): console.log(++[[]][+[]]+[+[]]) Why? 为什么? What is happening here? 这是怎么回事 解决方案: 参考一: https://stackoom.com/question/UDbp/为什么-返回字符串 参考二: https://oldbug.net/q/UDbp/Why-does-return-the-string-10 来源: oschina 链接: https://my.oschina.net/u/3797416/blog/4302115