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[Angular 2] Directive intro and exportAs

First, What is directive, what is the difference between component and directive. For my understanding, component is something like 'canvas', 'form', 'table'... they have the template and their own functionality. It defines how a html tag should work…

关于angular 自定义directive

关于angular 自定义directive的小结 首先我们创建一个名为"expander"的自定义directive指令: angular.module("myApp",[]).directive("expander",function(){ return{ //directive的一些属性(键值对形式)如下: /* restrict:'EA', replace:true, transclude:true, scope:{...}, templ…

[Angular] Custom directive Form validator

Create a directive to check no special characters allowed: import {Directive, forwardRef} from '@angular/core'; import {AbstractControl, NG_VALIDATORS, Validator} from '@angular/forms'; @Directive({ selector: `[formControl][no-special-chars], [formCo…

[Angular] Test Directive

directive: import { Directive, HostListener, HostBinding, ElementRef } from '@angular/core'; @Directive({ selector: '[credit-card]' }) export class CreditCardDirective { @HostBinding('style.border') border: string; @HostListener('input', ['$event'])…

[Angular] Export directive functionalities by using 'exportAs'

Directive ables to change component behaives and lookings. Directive can also export some APIs which enable behaivor changes control by outside directive iteslf. For example, we have an tooltip: It is a directive: import { Input, Directive, ElementRe…

[Angular] Using directive to create a simple Credit card validator

We will use 'HostListener' and 'HostBinding' to accomplish the task. The HTML: <label> Credit Card Number <input name="credit-card" type="text" credit-card placeholder="Enter your 16-digit card number"> </label…

angular service/directive

<html class=" js cssanimations csstransitions" ng-app="phonecatApp" > <head> <title>{{title}}</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name=&…

一个Demo就懂的Angular之directive

<body> <div ng-controller="myCtrl"> <hello-word></hello-word> </div> <script type="text/javascript"> angular.module('app',[]) .directive('hello-word',function($document){ return { /*** 'E':<hello-…

angular 中 directive中的多个指令

<div ng-controller="ctrl1"> <superman weight length speed>superman</superman> <superman weight >weight</superman> </div> <script type="text/javascript"> angular.module('myMoudle',[]) .controlle…

Angular中directive——scope选项与绑定策略，这个也经常迷惑的。

开门见山地说,scope:{}使指令与外界隔离开来,使其模板(template)处于non-inheriting(无继承)的状态,当然除非你在其中使用了transclude嵌入,这点之后的笔记会再详细记录的.但是这显然不符合实际开发中的需求,因为实际上,我们经常想要我们的指令能够在特定的情况下与外界进行数据上的交互,这就需要借助绑定策略之手了. 大家知道,当scope选项写为scope:{}这种形式的时候,就已经为指令生成了隔离作用域,现在,我们来看看绑定策略的三种形式:& .= .@. 首先是…