1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <title>扩展运算符.html</title> </head> <body> </body> </html> <script type="text/javascript"> var arr = [1,2,3]; var arr3 = [3,5,6]; var arr2 = [...arr,...arr3]; //类似于合并数组 console.log(arr2); //对象也是类似的 var obj = {a:1}; var obj1 = {b:3}; var obj2 = {...obj,...obj1}; console.log(obj2); </script> |
Es6中的扩展运算符
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扩展运算符可以用在所有可以被解构赋值的变量里。