Angular 4.x NgIf usage, angularngif
NgIf instructions
The ngIf command is used to render then or else template content at a specified position based on the expression value.
The then template is an inline template associated with the ngIf command by default unless it is bound to different values.
The else template is null by default unless it is bound with the corresponding value.
NgIf instruction syntax
Simple Form
Use else Blocks
Use then an
Introduction and use of Angular browser plug-in Batarang, angularbatarang
Introduction to Angular browser plug-in Batarang
For new Angular users, it will be quite painful to take over Angular. Indeed, compared with JQuery and Backbone, Angular has a relatively high threshold
Angular $ compile source code analysis, angularcompile
$ Compile is the "compile" service in Angular. It involves two phases: "compile" and "Link" for Angular applications, traverse Angular root nodes (ng-app) and constructed \ $ rootScope objects from the DOM tree, parse root node descendants in sequence, and search f
To work, it is critical that programmers choose the right framework and library to build applications, which is why there is too much controversy between angular and react. The advent of node. JS makes this war even more complicated, and although it's often a great thing to have a choice, in this case there is no consensus among programmers about which framework to choose, and everyone has different ideas and sounds quite reasonable.In order to make e
This article mainly introduces angular. bind's usage experience and my personal understanding of angular. bind. I hope you will like it.
Angular. bind
Explanation: return a function fn that calls self (self represents this In fn). The args (*) parameter can be provided to fn. this function is also called a local operation to differentiate functions.
Format:
. log ('got the message from nested ctive Ve' + nesteddireve. message );}}
The Controller method is a constructor. You can add an object to it. (For the object method, see MVC-JavaScript-web-application/01. MVC and class/1. create a class library/Ex1.3(.html of the object).
Define the require attribute in the sub-element command: require: '^? Outerdireve ve 'indicates to search for the outerdirective command from the outer layer until it is found .'? 'Does not return an error if it cannot be fou
What's a module in AngularJS?A module is a container for different parts of your application i.e controllers,services,directives,filters,etc.You can think the A module as a Main () method in the other types of applications.How to create a module?Use the Angular object's module () method to create a module.var myApp = Angular.module ("MyModule", []); //What's a controller in angular?In
20150605At present, in learning Angularjs, this front-end framework based on the JS language, and jquery for the different ideas of the product, jquery simple easy to use, learn how to take the DOM node, and then use Baidu, basically, can complete the basic things, and angular more like HTML has been cured, directly in the JS script to manipulate the data, give up the use of JS to manipulate HTML, but directly manipulate the data, this concept can be
Use of angular. js routing and templates in asp.net mvcWe know that angular. js is an excellent js framework based on mvc. It also has its own routing mechanism, which is not the same as asp.net mvc routing. The routes of asp.net mvc are routed to different controllers through different URLs and then presented to the controller for the view. However, in angular.
When verifying that there are many fields in the form, you may want to put HTML generation and validation logic into controller, on the page, perhaps:
Then, define the fields and validation in controller. Angular-formly is there for this need.
In controller, define each field in an array:
Vm.rentalfields = [
{
key: ' first_name ',
type: ' Input ',
templateoptions:{
type: ' Text '
, Label: ' Last Name ',
placeholder: ' Enter surn
This article describes the basic configuration of spring boot and angular the method of integrating spring boot and spring security. The current popular JWT is more suitable for integration with angular than the csrf provided by spring secuity. In addition, Springfox-swagger and Spring-boot-starter-actuator are introduced, demonstrating how to use swagger to generate JSON API documentation and how to use ac
The example in this article describes how angular ngclick prevents bubbling from using default behavior. Share to everyone for your reference, specific as follows:
This is actually a very simple question, and if you have taken a serious look at angular's official API documentation, you don't want to record it. But this question has been asked more than once, so it's recorded here today.
In angular there h
1. Install Node.js
url:https://nodejs.org/en/download/
Select the appropriate version to install
2. Installing the Angularjs CLI
Angular is written in typescript, so install typescript First, then install ANGULARJS-CLI
NPM install-g typescript typings
NPM install-g angular-cli--ignore-scripts
NPM Install
3.build Project
Under the path that requires a build, run NPM install first, and then run NG b
, element, attr) {Element.on ( "click", function () {scope.counter ++; }); };}); App.controller ( "Counterctrl", function ($scope) {$scope. Counter = 0 At this point, clicking the button will not increase the number on the interface. Many people will be confused, because he looked at the debugger, found that the data has indeed increased, angular is not two-way binding, why the data changes, the interface does not follow the refresh?T
Recently read an article in Codrops, which describes the effect of a page switch, click here for details. See this effect feel very good, feel this effect can be used in angular page switch, so the effect is transplanted into angular, made a angular module, convenient to add similar effect later, directly use.Github:https://github.com/jeremial/me-pageloadingA goo
Oracle OAM implements Angular JS front-end application SSO Single Sign-On tutorial, oamsso
Background:
With the development of the front-end framework, many front-end applications use Angular JS to implement front-end portals. How to Use OAM to implement a single point of failure for front-end portals is a problem. As we all know, it is much simpler to implement SSO for programs developed by the ADF or Ora
Improve mobile Angular. js applications with Trigger. io
Improve mobile Angular. js applications with Trigger. io
Author: chszs, reprinted with note. Blog homepage: http://blog.csdn.net/chszs
Trigger. io Forge allows us to develop local mobile applications using the latest and best Web technologies.This article demonstrates how to develop a simple Angular. js app
Ngmessages (1.3+)It is well known that forms and validation are one of the complex components of angular. The above example is not particularly good, not concise. InAngular 1.3 before publishing, form validation must be written in this manner.However, in the release of angular 1.3, the angular core made an upgrade. It no longer needs to be based on a detailed exp
Directory1. Preface2, JS front-end use session to save tokens3, JS front-end use cookies to save tokens4. JS front end use angular cookie to save tokenContent1. PrefaceWhen the front-end API interface is requested for security purposes, it is generally necessary for the user to log on successfully before other requests can be sent.Therefore, after the user login is successful, the background will return a token to the front end, this time we need to p
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