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example.js
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46 lines (34 loc) · 848 Bytes
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var double = value => value * 2;
// console.log(double(3));
console.log(double(2));
//可计算属性名
//1.一个对象添加到另一个对象中，直接在对象字面量中进行内联声明
var person = {
code: 123,
name: 'song'
}
var persons = {
[person.code]: person
}
console.log(persons);
//2.一个函数接受一个参数，然后使用该参数构建对象
//ES5
function getEnvelope(type,message) {
var envelope = {
data: {}
}
envelope[type] = message
return envelope
}
console.log(getEnvelope('success', '成功'));
console.log(getEnvelope('error', '失败'));
//ES6
// function getEnvelope(type,message) {
// return {
// data:{},
// [type]:message
// }
// }
//
// console.log(getEnvelope('success', '成功'));
// console.log(getEnvelope('error', '失败'));