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ckinmind / react-cnode

👨🏻‍💻React构建的cnode社区(附详细问题说明)
https://ckinmind.github.io/react-cnode
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关于对象结构赋值的默认值用法 #10

Open ckinmind opened 7 years ago

ckinmind commented 7 years ago 
 let { tab = 'all' } = nextProps.location.query;

注意：默认值生效的条件是，对象的属性值严格等于undefined

参考资料:ECMAScript 6 入门:对象解构赋值