84 lines
1.3 KiB
JavaScript
84 lines
1.3 KiB
JavaScript
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// function sum (x , y) {
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// return x + y
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// }
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// console.log(sum(1, 10))
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// var person = {name: '小明', age: 23}
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// console.log(person)
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// person.greet = function() {
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// console.log(`hello, my name is ${this.name}, age ${this.age}`)
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// }
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// person.greet()
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// var name = '李四'
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// var age = 23
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// function greet () {
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// console.log(`hello, my name is ${name}, age ${age}`)
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// }
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// greet()
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// fn = function (x , y) {
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// return x + y
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// }
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// console.log(fn(1,2))
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// fn = (x, y) => {
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// return x + y
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// }
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// console.log(fn(1,2))
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// fn = (x, y) => { return x + y}
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// console.log(fn(1,2))
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// fn = (x, y) => x + y
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// console.log(fn(1,2))
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// pow = x => x * x
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// console.log(pow(100))
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// pkg
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import {firstName, sum as my_sum} from './tool.mjs'
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console.log(my_sum(1,10))
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console.log(firstName)
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// pkg.
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// import { MYAPP } from './app.mjs'
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// console.log(MYAPP.version)
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// pkg
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// import { default as MYAPP } from './app.mjs'
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import appPKg from './app.mjs'
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console.log(appPKg.name)
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// for item := rang a {}
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var a = ['A', 'B', 'C'];
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for (var item of a) {
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// fn(item)
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console.log(item)
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}
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// for k,v := range o {}
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var o = {
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name: 'Jack',
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age: 20,
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city: 'Beijing'
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};
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for (var item of Object.keys(o)) {
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console.log(item, o[item])
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}
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// forEach
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a.forEach((item) => {
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console.log(item)
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})
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