The ng-disabled directive binds the application data directly to the disabled property of the HTML.The ng-show directive is used to set whether the app part is visible.ng-show= "True" to set the HTML element to be visible.ng-show= "false" setting HTML element is not visible.The ng-hide directive is used to set whether the app part is visible.ng-hide= "true" setting HTML element is not visible.ng-hide= "false" to set the HTML element to be visible.Instance:1 DOCTYPE HTML>2 HTML>3 Scriptsrc= "Http
AddClass ()-Adds the specified style class name for each matching elementAfter ()-Inserts the content specified by the parameter after each element in the matching element collection as its sibling nodeAppend ()-Inserts the parameter contents at the end of each matching elementattr ()-Gets the value of the property that matches the first element in the collection of elementsBind ()-Binds an event handler for an elementChildren ()-Gets the child elements of each element in the matching element co
browser do what I want. FormatDate
Generally, the following technologies are used to solve the shortcomings of static Web pages in building dynamic applications:
1. The class library-class library is a collection of functions that can help you write WEB applications. Your code determines when to use the class library. Class Libraries: jQuery
2. Framework-framework is a special and implemented WEB application. You only need to fill in the specific business logic for it. Here, the framework plays
('_', function() { return window._; //Underscore must already be loaded on the page});var app = angular.module('app', ['underscore']); app.controller('MainCtrl', ['$scope', '_', function($scope, _) { init = function() { _.keys($scope); } init();}]);This allows the application to continue development in AngularJS dependency injection style, while replacing underscore during the test phase.
This may seem trivial and unnecessary,
buttons to work as in common Web applications)
Test
More functions
AngularJS is open-source
Recently, when I was playing github, I saw some projects where license is MIT. I thought it was MIT (MIT). When I asked my colleagues, I realized that MIT means that you can contribute code to AngularJS, make it better. For more information about contribution code, see the "Contribution code" section on AngularJS'
libraryThird-party libraries, have to mention the famous jquery, is now basically a domestic web development of the required tools. Its flexible DOM operation makes many web developers addicted to it. Together with a well-established jquery UI Library and a large number of jquery plugins, it's almost an inexhaustible treasure trove. However, can it be combined with ANGULARJS?Many
Angularjs First vehicle: ANGULARJS Introduction and the first instance Angularjs Introduction characteristics Introduction Terminology explanation grammar
Example explanation
Absrtact: Mainly introduces the Angularjs and its characteristic, and makes the explanation with 3 examples.
This tutorial uses the
framework is equally important. My judgment on the importance is whether many third-party libraries are required to help you implement functions. Obviously, backbone is a lightweight framework that is easy to use and focuses on the implementation of front-end Mvc. Therefore, you need many third-party class libraries (at least jquery) to complete dom operations, UI, and other content. Yui and dojo are heavy-duty frameworks. Their authors attempted to
thin to write too much. Angularjs This relatively moderate style, it is very much in line with my needs. Currently, Angularjs three of the most sophisticated components I think are data binding (Scope), instruction (Directive), and Dependency injection (Dependency injection), which perform very well. In contrast, its UI components and animations are weaknesses. It can be said that the choice of
Use angularjs to develop next-generation web applications (2): angularjs application skeleton (1) and angularjs next-generation
1. Call angularjs
1> load angularjs Library
It can be loaded from google's CDN (content delivery network) to get fast, and it can cache script libr
, and it is used to invoke your code based on the specific application logic. The framework is: knockout, backbone and so on.Angularjs uses a different approach, and it tries to make up for the drawbacks of HTML itself in building applications. Angularjs allows the browser to recognize the new syntax by using the structure we call Identifiers (directives). For example:Use double curly braces {{}} syntax for data binding;Use the
In-depth study of the two-way Data Binding Mechanism in AngularJS, and in-depth study of angularjs
Angular JS (Angular. JS) is a set of frameworks, templates, and data binding and rich UI components used to develop web pages. It supports the entire development process and provides a web application architecture without manual DOM operations.
enter your name in the input box. The name you entered will be updated and displayed in the greeting. This is the concept of two-way Data Binding in AngularJS. Any changes in the input box are immediately reflected in the model variable (in one direction), and any changes to the Model Variable are immediately reflected in the greeting text (in another direction ).AngularJS Application Analysis
This section
developing CRUD applications, which are more applications for data manipulation than for games or image processing applications. To achieve this, Ng introduces some very good features, including template mechanics, data binding, modules, directives, dependency injection, and routing. The binding of the data to the template allows us to get rid of the tedious DOM operations and focus our attention on the business logic.
Another question, Ng is the MVC
calculate the expression and insert the result into the DOM. We will see that the DOM can be updated in real time as the result of the expression operation changes.
AngularJS expression Angular expression is a code snippet similar to JavaScript. AngularJS expressions only run in A
executed.ng-appCommand HTML tag, which defines the scope of AngularJS applications.Expression bound with double braces:
This line of code demonstrates the core function of the AngularJS template-binding, which consists of double braces{{}}And expressions'yet' + '!'.
This binding tells AngularJS to calculate the expression and insert the result into the
your application. The more memory requirements, the slower the running speed.
4. Javascript Performance
Some performance problems come from JavaScript, not just Angular.
4.1 cycles
To avoid calling a function within a loop, you can move it to an external call.
var sum = 0;for(var x = 0; x
The above aspects are obviously not as fast as below:
var sum = 0;var keys = Object.keys(obj);for(var x = 0; x
4.2 DOM access
Note the following when getting
Use angularjs to develop next-generation web applications (2): angularjs application skeleton (2) and angularjs next-generation
1.Non-invasive JavaScript
Same behavior in all browsers. Angular will help you shield differences.
The operation is not performed in the global namespace. The expression you specify can only access functions and data within the scope of
operation of the HTML tag. This is a very powerful feature that allows you to create custom labels. Using a directive tag tells the compiler to add some functionality to the DOM element and even make changes to it. There are also a number of preset directives available in the ANGULARJS, which you can choose based on your actual needs.
3.POJO
Each object used in Angular
9 Methods to Improve AngularJS performance and 9 angularjs Performance
AngularJS is a widely used web application framework. With its popularity increasing, AngularJS 4.0 has become a long-awaited application framework. Although a lot of optimizations have been made, almost every Angular expert is still dealing with va
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.