classComputerBuilder{constructor(){this.computer={};}addCPU(cpu){this.computer.cpu=cpu;returnthis;// 返回构建器实例,以支持链式调用}addRAM(ram){this.computer.ram=ram;returnthis;}addStorage(storage){this.computer.storage=storage;returnthis;}build(){returnthis.computer;}}// 使用构建器创建电脑对象...
classToadBuilder { constructor(frogBuilder) { this.builder = frogBuilder } createToad() { returnthis.builder.setHabitat('land').setSkin('dry') } } let mike =newFrogBuilder('mike', 'male') mike =newToadBuilder(mike) .setEyes([{ volume:1.1 }, { volume:1.12 }]) .setScent('smelly so...
1.首先要定义builder的接口 2.然后各个concretebuilder类去实现这个接口 3.director中接收一个builder实例作为参数,最后返回一个一类车的实例 示例代码 function Director() {this.construct = function (builder) { builder.step1(); builder.step2();returnbuilder.get(); } }//由于js不支持接口,我个人认为其实...
"css"]; } SupClass.prototype.say = function() { console.log("Hello World"); } function SubClass() { SupClass.call(this); } var instance1 = new SubClass(); var instance2 = new SubClass(); instance1.books.push("设计模式"); try { console.log(instance1.say()); } catch(error) {...
首先使用 ES6 的 class 语法: 代码语言:javascript 复制 // 建造者,部件生产classProductBuilder{constructor(param){this.param=param}// 生产部件,part1buildPart1(){// Part1 生产过程...this.part1='part1'}// 生产部件,part2buildPart2(){// Part2 生产过程...this.part2='part2'}}// 指挥者,...
/** * 发布订阅模式 */class PublishSubscribePattern {constructor() {// 消息映射this.msgMap = {}; }// 发布publish(name, param) {const msg = this.msgMap[name];if (msg) { msg.subscribes.forEach(subscribe => { subscribe.callback(param); }); } else {console.log('无人订阅此消息:',...
Builder pattern example The following example uses a Builder pattern withTaskBuilder. task_creator.js let Task = function(name, description, finished, dueDate) { this.name = name; this.description = description; this.finished = finished;
price } } // A box class, that acts as a parent/child node function Box(name) { this.contents = [] this.name = name // Helper function to add an item to the box this.add = function(content){ this.contents.push(content) } // Helper function to remove an item from the box ...
workly - A really simple way to move a function or class to a web worker. stockroom - Offload your store management to a worker easily. workerpool - Offload tasks to a pool of workers on node.js and in the browser. clooney - Clooney is an actor library for the web. Use workers with...
using Microsoft.JSInterop; namespace BlazorSample; public class JsInteropClasses2(IJSRuntime js) : IDisposable { private readonly IJSRuntime js = js; public async ValueTask<string> TickerChanged(string symbol, decimal price) => await js.InvokeAsync<string>("displayTickerAlert2", symbol, price...