yuhongda / key-accessor Goto Github PK
View Code? Open in Web Editor NEWaccess a key of object safely
Home Page: https://www.npmjs.com/package/key-accessor
access a key of object safely
Home Page: https://www.npmjs.com/package/key-accessor
如下代码中:
...
const music = {
rock: {
band: 'G N\' R'
},
pop: {
}
}
...
obj.rock.band() // output: G N' R
不太明白这里取band
属性时为什么要用函数调用的方式?这样如果band
是个函数变量,是不是就无法正常执行了。
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