JS如何将变量作为一个对象的Key

Posted 2020-11-22 博客小鹏鹏

https://www.cnblogs.com/wangweizhang/p/10643404.html 转自

 

var lastWord = \'last word\';

var a = {
  \'first word\': \'hello\',
  [lastWord]: \'world\'
};

a[\'first word\'] // "hello"
a[lastWord] // "world"
a[\'last word\'] // "world"