typescript vs javascript

Packaging:varGreeter = (function () { functionGreeter (message) { This. Greeting =message; } Greeter.prototype.greet=function () { return"Hello," + This. Greeting; }; returnGreeter;}) ();varGreeter =NewGreeter ("World");varbutton = document.createelement (' button '); Button.textcontent= "Say Hello"; Button.onclick=function() {alert (Greeter.greet ());}; Document.body.appendChild (button);Inherited:var__extends = This. __extends | |function(d, b) { for(varPinchbif(B.hasownproperty (

To see how to implement a linked list with typescript:Class Student {public fullname:string; public next:student; Constructor (public firstname, private middleinitial, public lastname) { This.fullname = FirstName + "" + Middlein Itial + "" + LastName; }} Interface person { firstname:string; lastname:string;} function Greeter (Person:person) { return "Generated javascript:var Student = (function () { function Student (firstname, middleinitial, LastName) {

; Eat (str:string): void;} Class Dog implements animal{ name:string; Constructor (name:string) { this.name=name;} nbsp Eat () { console.log (this.name+ ' eat food ') } Note the following: one. All properties or methods within the interface must be in the implemented class. Two. Interface is the method by which the class implements the interface. 5) Interface extension interface can inherit the interface, with extends implementation. A class can inherit (extends) a class, or an interface can be

TypeScript syntax (1) -- Basic Data Type1. Boolean) var isDone: boolean = true; 2. Number) var height: number = 6; Iii. String type) You can use double quotation marks or single quotation marks. var name: string = "bob";name = 'smith'; 4. Array) Two methods to declare an array: First: var list:number[] = [1,2,3]; Note:numberIndicates the Data Type of elements in the array,[]Declares an array. Second: var list:Array = [1,2,3]; Note:ArrayDecla

function test () { var gs = new Greeter (' SS '); Alert (Gs.greet ());} Window.onload = Test;class Greeter { greeting:string; Constructor (message:string) { this.greeting = message; } Greet () { return "Hello," + this.greeting; }}Because JSON serialization interaction is often used in the background and foreground, it can be very handy if the background-defined model can be used in the foreground, and smart hints and type checking are also very good features.I

Integration steps:1. Install jquery extremely TS definition fileInstall jquery-install --save-dev @types/jquery2. Page load jquery:" Apps " : [{ ... " Scripts " : [ ".. /node_modules/jquery/dist/jquery.min.js", ], ...}]3. Call the extension method:$ ("selector"). Pluginmethod ();4. Run ng serve:Ng Serve-oThe problem with this is that we're not just trying to call jquery plugin, The TS definition extension of the jquery interface is extended through the plugin d.ts file, and we call jquer

Objective: With angular practice, for typescript usage Some details of the place is worth to summarize, please follow the small series together to see. Body: Find This.eachname = This.allCount.find (x => x.id = = ID). Index; Foreach This.questionTypeSetModels.forEach ( sc => { this.sum = (number) (This.sum) + (number) (Sc.questiontypescore ); } )Splice Removequestiontyperecord (Index): void { This.disabled.splice (index, 1

Inheritance of classes: object-oriented patterns Super: Keywords Class Animal { name:string; Constructor (thename:string) { this.name = thename; } Move (Distanceinmeters:number = 0) { console.log (' ${this.name} moved ${distanceinmeters}m. '); } Class Snack extends Animal { Constructor (name:string) { super (name);//Call constructor of parent class } // Overrides the parent class's method move (Distanceinmeters = 5) { console.log ("slithering ..."); Supe

TypeScript into the PitInstallationInstalling with NPMInstall using global modenpm install -g typescriptEditorInstalling the plugin Https://github.com/Microsoft/TypeScript-Sublime-PluginHttps://packagecontrol.io/packages/TypeScriptCompiling using node. js for compilationHello WorldWriting TS filesfunction greeter(person) { return "Hello world!" + person;}let user = "hello world";document.body.innerHTML =

1. Download Webstorm from official website (I am using Webstorm 11.0.2) 2. Install typescript plugin for webstorm, File->setting->plugins, as shown, click Install Jetbrain Plugin button to find first 3. In the pop-up browse jebrains Plugins window, look for the TYPO3, and you will filter out the plugin to be typescript, as shown in:4. Click the Install button on the right to install (I have successfully i

times wrong "Sourcemap": true,//for debug, generate the corresponding. map file "Strictnullchecks": false,//in strict null-check mode, null and undefined values are not included in any type, only they are allowed to be assigned with their own and any (with an exception, undefined can be assigned to void). "Target": "ES5",//target code type "paths": {//Module name to List of path mappings based on BaseURL}, "Lib": [//List of library files to be introduced during compilation "Dom",

Object-oriented programming-declaration and use of classesThe advent of classes allows the front-end programmer to abstract levels, increase maintainability, and reuse. Of course, this series of classes of operations, we call him object-oriented programming. Typescript is a class-based object-oriented programming language.A class is an abstraction of a specific transaction of an object, which is the concrete manifestation of the class.Class specificat

TypeScript allows-generate definition files for your own libraries. This lesson shows what to organize your project and generate the definition files so it others projects can use your Library with TypeScript.If you ' re writing a library and you want to generate your own definition files, just make sure and add declaration to your Tsconfig:{ "compileroptions": { "RootDir":"src", "Module":"Commonjs", "Target":"ES5", "Noi

TypeScript allows-emit decorator metadata which enables more powerful features through reflection. This lesson show what decorators and reflection fit together and how to configure your own decorators to use reflection .For now, if we look at the compiled file:var__decorate = ( This This. __decorate) | |function(decorators, target, key, desc) {varc = arguments.length, R = C NULL? desc =object.getownpropertydescriptor (target, key): Desc, D; if(typeofR