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 angular?If today is 2008, someone asked about the future of
To learn the scope of Angular, angular
Angular Scope
In a web application built with angular, the scope concept runs through it. Many Commands in angular views create a scope, such as ng-app and ng-controller. This scope is inject
Video Introduction
Tutorial videos for ASP. NET Core Web API + Angular 6
I am back-end developers, the front-end of the angular part of the relatively poor, you can directly see the code!!!!
This is a live video of a small project that uses:
ASP. NET Core 2.1 API
Identity Server 4
Angular 6
:
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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
This article transferred from: https://www.techiediaries.com/angular-material-dialogs/In this tutorial, we ' re going to learn what the use of the Angular Material Dialog component to build a custom Dialog example.We ' ll also see common cases to work with the Angular Material Dialog such as:
How to create a d
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:
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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
. 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 scopes
The concept of scope (scope) runs through the Web application built with angular. Many of the instructions in the angular view are to create a scope, such as Ng-app, Ng-controller, and so on. This scope is what we injected into the write controller constructor $scope (before angular1.2), and he is a concept in the view model. Our data model is d
This is a follow-up to the previous angular 4+ http;Angular version 4.3.0-rc.0 has been released??。 In this release, we waited for an exciting new feature-an improved version of the HTTPClient API;HttpClient is the evolution of an existing Angular HTTP API, which is in a separate @
. If the content in the template is not processed, it is not displayed on the page.
To learn moreAndFor details about the differences, see what I have to say in Angular 4.x dynamic component creation Article.
NgTemplateOutlet source code analysis
NgTemplateOutlet command Definition
@Directive({ selector: '[ngTemplateOutlet]'})
NgTemplateOutlet class private att
Angular HTTP is to get and save data. The main purpose is to fetch data from my JSON file. Directly on the code bar:1. First introduce the Promise mode: (direct code)Heroes.json:
12345678
{ NBSP;NBSP; "data" : [ NBSP;NBSP;NBSP;NBSP; {"id": 1, "name": " Windstorm "}, NBSP;NBSP;NBSP;NBSP; {" id ": 2," Name ":" Bombasto "}, NBSP;NBSP;NBSP;NBSP; {" ID ": 3," "Name": "Magneta"}, NBSP;NBSP;NBSP;NBSP; {"id":
= address.components[0].addresslongname;
var city = address.components[0].citylongname;
By obtaining the address data can do related operations, such as access to the surrounding shops, the following code for my fictional
shopfactory.getshops (Street, City). Then (function (data) {
if ( Data.status = = {
$scope. Shops = Data.shops;
} else{
$log. Error (' Sorry, get the location of the surrounding shop data error: ', data ';
}
}}
);
4
Directives are used very frequently in angular projects, and we need custom directives when their own instructions do not meet our needs.In angular, scope is a very important concept. Similarly, to define a directive, we also need to set his sope;Angular provides three types of Scope:① for custom directives that do not create separate scopes, use the parent scope
).$on (Name,listener);Listens for events of a given type.Name: The event name of the listener.Listener: The function that is called when an event occurs.$emit (Name,args);Propagates the specified event to the parent registered scope until the root scope.Name: The names of the events emitted.Args: One or more optional parameters that will be passed to the event listener.$broadcast (Name,args);Broadcasts the specified event to a subordinate registered scope.Name: The names of the events emitted.Ar
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 syn
Asp. Net Core, Angular 4 CLI site deployment, angularcli
Briefly record how to deploy Asp. Net Core Web Application + Angular app projects under IIS.
Environment: IIS 10, Asp. Net Core 2.0, Angular 4 CLI
Steps:
From step 1 to step 2, you can use batch processing instead
(4) Initializing a data member with a parameter initialization table in a constructor is a more advocated notation. Test the function with the same (1).#include #include using namespace Std;Class Triangle{PublicDouble perimeter ();Double area ();void ShowMessage ();Triangle (double x,double y,double z): A (x), B (Y), C (z) {};PrivateDouble a,b,c;};void Triangle::showmessage (){coutcout}Double Triangle::p erimeter (){return a+b+c;}Double Triangle::area
Level4When we need to print multiple product name and product price, we want to reuse these 2 lines of codeIf you want to pass in a string, use "" Inside contains '. Using Ng-includeAfter loading the page, use Ajax call to get the page with the Include---------------------------Split Line-----------------------------A better-to-include HTML template is to create custom directiveUse directive to replace ng-include!Derective allows you to express behavior of your application!Use custom directive t
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