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我发现下面的代码react native tutorial,需要回应原生示例时发生了什么?
var {
AppRegistry,
Image,
StyleSheet,
Text,
View,
} = React;
而且好像在Python我并行任务。但是,我不能运行的NodeJS它:
var dict = {a: "19", b: "20"};
var {
a,
b
}
= dict;
console.log(a);
console.log(b);
,所以我想如果这句法仅在有效的反应天然或它被支持的NodeJS?
[解构赋值](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment) – zerkms
@zerkms我问另一个问题,请帮助我。 http://stackoverflow.com/questions/31900951/why-it-possible-to-use-destructuring-assignment-in-react-native – ssj