angular2 typescript

services A service is a unit that encapsulates a single function. It is often referenced inside a component and used as a function extension of the component. It can be a simple string or JSON data, a function or even a class. The component itself does not obtain data from the server, does not perform verification input, or directly writes logs to the console. They delegate these tasks to the service. A simple service (including a class ): export class Hero { id: number; name: string;} De

to boot these AOT files from main.aot.ts, which is the main.aot.ts file (do not boot from main.ts):Import {platformbrowser} from ' @angular/platform-browser ', import {appmodulengfactory} from '. App.module.ngfactory ';p latformbrowser (). bootstrapmodulefactory (appmodulengfactory);ok, Here's the Webpack configuration:{/....../entry:{' main ': './src/main.aot.ts '},output:{path: ' dest ', filename: ' [name].bundle.js ', chunkfilename: ' [id].chunk.js '},module:{rules:[{tes

Implementation of Angular2 form custom validators, angular2 form This article describes how to determine the result of the validators. Here, we will look at how to implement a custom validators. Target We need to implement a mobile phone number verification tool. The instance used is based on the instance in the previous article, that is, the form page of user information input. We add a cell phone number v

) { let result = src.search(sub); if (result == -1) { return false; } else { return true; } } 　　Types of indexes that can be indexed The index type is a [10] Or obj ['a']. The index type has oneIndex SignatureIt describes the object index type and the corresponding index return value type. interface StringArray { [index: number]: string; } let myArray: StringArray; myArray = ["Bob", "Fred"]; let myStr: string = myAr

Let's start with zero and build a super simple ANGULARJS 2 application using Typescript. Run a demo first. Run this demo first to feel the application of AngularJS2. Here is the file structure for this application Angular2-app |_ App | |_ app.component.ts | |_ main.ts |_ index.html |_ The summary is a index.html file and two typescript files und

TypeScript Type Innference (Type judgment) and typescript Type judgment TypeScript is a JavaScript superset developed by Microsoft. It is compatible with JavaScript and can load and run JavaScript code. Compared with JavaScript, TypeScript adds comments so that the compiler can understand the supported objects and func

to run, Ng2 is also the case, wrote the. ts file, and eventually compiled by our configured compiler (Webpack) to build the target code and run. Therefore, in addition to ANGULAR2 dependencies, must be configured to the bottom of the webpack. All of the dependency packs are installed through the previously installed NPM. Here's a package.json:package.json. Package.json is used to manage NPM dependencies, and then you need Tsconfig.json to configure T

Now I'm doing a project with ng1.5.8, Ng's advantages and characteristics I do not have to say, ng1 after the update to 1.5/1.6 has not released a new version, NG2 has been on the test for a long time, as many systems and frameworks, each big version of the update will have new features to join in, Although has not used NG2 to do enterprise-level projects, usually also understand a lot of ng2 improvements, the following to comb a few ng1 and ng2 between some of the differences;

problems; The introduction of AOT technology enables component processing of generated code to advance to the build time, plus typescript's tree shaking and other technologies, can be more to reduce the load of JavaScript file size and improve runtime performance; Web-side web worker implementation, can better liberate our UI thread, get a better user experience, and improve performance; Not only that, ANGULAR2 also has a lot of g

Typescript is a free and open source programming language developed by Microsoft. It is a superset of JavaScript and essentially adds an optional static type and class-oriented object-oriented programming to the language, and its official website is http://www.typescriptlang.org/. Why to learn this language, now HTML5 strong momentum of development, as a developer at any time to focus on new things become the necessary skills. In the hand Tour develop

Example code of the angular2 series route transition animation and angular2 example code Angular2's animation system gives you the ability to make a variety of animation effects, and strives to build an animation with the same performance as the native CSS animation. Angular2 animation is mainly combined with @ Compone

the browser to run Typescript directly, because EXMASCRIPT6 is a standard, and typescript realized the characteristics of ECMASCRIPT6, and on this has to expand, that is to say typescript some features are not ECMASCRIPT6 specifications, which said two is a thing is actually wrong, It can only be explained that some of them are identical and do not represent a t

TypeScript is a superset of JavaScript, and TypeScript generates JavaScript code after it has been compiled. The biggest feature of TypeScript is the type, which is called TypeScript. Typed TypeScript are easier to maintain than weakly typed JavaScript.There are 7 basic type

Angular2 searches for and resets the button for a live animation, and angular2 for a live Animation Requirement: Add a search and reset transfer animation to the Project Management page. The first thought was to use angular2's animations attribute. // project.component.tsimport {trigger, state, style, animate, transition} from '@angular/animations';@Component({ s