learn angular 2

business needs. Even a few contestants who could learn the official documentation at the beginning, in this way, most of the friends who just learned angular do not actually understand the principles, but they feel that they are ready to use them. So much, let's see if a newbie is not so lucky to specify a data model for the scope and bind the data model in two-way. In this case, you will encounter the abo

1. JQuery vs JavasciptAsk two questions:1) Have you ever used jquery? Of course!2) What are the advantages of the jquery relative to native JavaScript?My answer: jquery is more straightforward, good compatibility, less code, good understanding, rapid development, fewer bugs ...2. Angular vs JQueryRefer to jquery vs Javascript3. What's the future of

Detailed description of Angular 2 Table Control and angular Table Control Front-end frameworks have been a hot topic in recent years, especially Angular 2 has many fans. After Angular 2

What are the eight main construction blocks of Angular 2 applications and angular application structures? Previous words: I recently read quickstart on the official website during Angular 2 and National Day, and wrote an article, just a hello world demo. Later, I continued t

When you create a form in Angular 2, you can easily get all of the values from the form using Controlgroup and Controls. Bind [Ng-form-model] to the Form bind to Controlgoup Bind [Ng-form-control] to the Input bind to Gontrol Import {Component, View, Form_directives, Controlgroup, Control} from ' Angular2/angular2 '; @Component ({selector:' Field-form '}) @View ({directives: [for

The decorator allows you-pass values into your so, can change the value of the the Directive each time @Input @Directive That's it is used. Using @Input makes your directives much more flexible and reusable so they can adapt to many different situations. Import {Directive, Input, hostbinding} from @angular/core [getinput] " }) export class Getinputdirective {@Input ( " getinput " get InnerText () { return this .input; } constru

The angular team recently released the official version of angular 1.5, which implemented a major upgrade that still uses 1. The X-version developer will be able to easily transition to angular 2 development. "The purpose of this release is to" improve the angular

mvc? What is the benefit if I want to loop? Under In general, you can use tp to directly foreach, but angular must be written as follows: {{**}} In this way, we can write data in Javascript. How can we allocate SQL data?So why is angular used by so many people? Learning Angularjs is not the focus, but the focus is to learn t

Parse Angular 2 + style binding mode and angular Style Introduction After ngx (angular 2 +) is developedngxA year and a half have passed. At the beginning of development, angular2 RC was used. Now angular5 is available! Ngx is a component-based framework from the beginning o

You need to define a to is able to use it elsewhere in your app as a TemplateRef . You can store these TemplateRef s in a Service and then access them the from any @Directive or in @Component your app.We want to create a service and a component together to store all the templates.ServiceImport {injectable, templateref} from "@angular/core"; @Injectable () Export class Templatesservice { New map();}Compoment:Import {Component, viewchild} from "@

> + Div> - the Scripttype= ' Text/javascript 'src=".. /.. /js/angular-1.5.5/angular.js ">Script> * Scripttype= "Text/javascript"> $ Angular.module ('myApp', [])Panax Notoginseng . Controller ('Myctrl', function($scope) { - $scope. MyStyle={background:'Lightgray'}; //add an initialized background color the $scope. Enter= function () { + This. Mystyle.background= 'Pink';//mouse move in background color A }; the $scope. Leave= function ()

A @Directive can also listen to events on their host element using @HostListener . This allows your to add behaviors, react to user input and update or modify properties on the element without have to Create a custom component.Import {Directive, Hostlistener, hostbinding, Input} from '@angular/core'; @Directive ({selector:'[clickable]'}) Exportclassclickabledirective {@Input ('clickable') text; @HostBinding ()GetInnerText () {if( This. Text) { re

Just like passing in a array to*ngFor, you can pass in any value into the your structural directive so the it can render templates based on those values. It ' s crucial to understand how the*directiveSyntax expands into aand adds a custom@InputBased on the syntax, you can use your own data. The syntax looks like:*three= "Let message from Messages">{{message.to}}-{{ Message.message}}h2>For template It would looks like:[Threefrom]= "Messages">template> It Combimes ' three ' and ' from ' keywords.S

In front of the words: recent free time learning angular 2, national day time to see the official website of QuickStart, also wrote an article, just a Hello World demo. After continuing to read a project tutorial, just start still can keep up, when the back is more confusing. Indeed, for beginners, it is more troublesome to understand a framework. So stop the project and start looking at how angular's overa

business needs, can just start to learn the official document of the contestants even if there is a minority, so, most just learn angular friends actually do not understand the principle, But I feel like I'm going to use it. So much to say, so let's see if a novice is just beginning to assign a data model to the scope and do a two-way binding, the luck is not s

: {{**}} This will write the data in JS, SQL out of the data how to allocate it, not to find themselves uncomfortable?Then why are so many people using angular, where is she? Learning not to learn ANGULARJS is not the focus, the focus is to learn the set of MVVM logic (which will explain what this is), and

The choice of Angular 2 and react is really just a style preference. React is focused on rendering speed and can handle complex UI designs in client or native applications, while angular 2 is more development-wide. It can not only guide us to build our own applications, but also provide some expressive and reusable UI

. Children (). Data (' $ngControllerController ', controller); A } at - link (scope); - } - }; -}This is the instruction code of Ngview, here we mainly focus on two words:$element. HTML (locals. $template);//inserts the read HTML into the corresponding DOM objectvar link = $compile ($element. Contents ());//Compile HTML templateSo, the new template (trying) just needs to be newly compiled.All right, so let's do an auxiliary method (I just learned

Angular 2 is coming. Wijmo is ready for welcoming. angularwijmo Angular is an excellent front-end JS framework and has been used in many Google products. Its core features are: MVVM, modularization, automated two-way data binding, semantic tags, and dependency injection. Six years later, Angular ushered in version 2.0.

Directives are used very frequently in angular projects, and we need custom directives when their own instructions do not meet our needs.In angular, scope is a very important concept. Similarly, to define a directive, we also need to set his sope;Angular provides three types of Scope:① for custom directives that do not create separate scopes, use the parent scope