TA貢獻2080條經(jīng)驗 獲得超4個贊
析構(gòu)賦值語法是一個JavaScript表達式，它可以使用反映數(shù)組和對象文本結(jié)構(gòu)的語法從數(shù)組或?qū)ο笾刑崛?shù)據(jù)。 資料來源：
MDN上解構(gòu)賦值引用
var o = {p: 42, q: true};
var {p, q} = o;
console.log(p); // 42
console.log(q); // true
// Assign new variable names
var {p: foo, q: bar} = o;
console.log(foo); // 42
console.log(bar); // truevar foo = ["one", "two", "three"];// without destructuringvar one = foo[0];var two = foo[1];var three = foo[2]; // with destructuringvar [one, two, three] = foo;
TA貢獻1866條經(jīng)驗 獲得超5個贊
var { Navigation } = require('react-router');var Navigation = require('react-router').Navigation;
TA貢獻1859條經(jīng)驗 獲得超6個贊
var { Navigation } = require('react-router');require('react-router')
{ Navigation: function a(){},
Example1: function b(){},
Example2: function c(){}
}.
Navigation
Navigationfunction a(){}
var { p, q } = { p: 1, q:2, r:3, s:4 };console.log(p) //1;console.log(q) //2;舉報