ES6入門到進階 第二節 解構賦值
阿新 • • 發佈：2018-11-04
<!DOCTYPE html> <html> <head> <title>解構賦值</title> </head> <body> <script type="text/javascript"> /* 解構賦值 let [a, b, c] = [12, 5, 6] 左右兩邊，結構格式保持一致 */ let [a, b, c] = [12, 5, 6]; console.log(a, b, c); let json = { name: 'llh', age: 18, job: "it" }; // let {name, age, job} = json; // console.log(name, age, job); //起別名 用冒號 let {name, age, job:k} = json; console.log(name, age, k); //給預設值 let [d, e, f = "暫無資料"] = ["aa", "bb"]; console.log(d, e , f); //交換兩個變數的值 let g = 12; let h = 5; [g, h] = [h, g]; console.log(g, h); </script> </body> </html>