安卓笔记

function print(txt) { console.log(txt)}let set = new Set([2, 3, 4]);//用数组初始化set，会自动过滤掉重复元素，同时保持数组中原来元素的先后顺序[5, 6, 7, 8, 7, 6, 5].forEach((p1, p2, p3) => { set.add(p1)});for (let v of se

Title function print(txt) { document.getElementById("container").innerHTML += ('\n') + txt; } document.body.onclick = function () { window.loc

function print(txt) { console.log(txt)}//类定义几种方式//方式1let MyClass = class My { constructor() { } getClassName() { return My.name; }};let inst = new MyClass();print

function print(txt) { document.getElementById("container").innerHTML += ('\n') + txt; } console.log = print; console.log("hello") function fact(num) { if (num <=

目前需要使用babel吧es6代码转成es5才可以执行 // import * as modul from './module'// modul.print(modul.name)//Michael// modul.log('hahah')//--->hahahimport {log,print as println,name} from './module'impor

Title function print(txt) { document.getElementById("container").innerHTML += ('\n') + txt; } document.body.onclick = function () { window.loc

Title canvas to draw var drawing = document.getElementById('drawing'); if (drawing.getContext) { print('support') var context = drawing.getContext('2

Title canvas to draw window.onload=function () { var drawing = document.getElementById('drawing'); if (drawing.getContext) { print('suppo

function print(txt) { document.body.innerHTML += txt + ''; } var obj = { constructor: function () { this.name = "haha" }, name: 'xm', ge