[Angular Directive] 1. Write an Angular Directive

Source: Internet
Author: User
Tags angular 2 directives

Angular 2 directives allow you to manipulate elements by adding custom behaviors through attributes. This lesson covers how to create a Directive and attach it behavior to an element.

 from ' @angular/core ' ; @Directive ({  '[myText]'class  textdirective {  @HostBinding () InnerText;  Constructor () {    this"I am text directive! "   }}

There is tow things important here:

    • Selector: ' [MyText] ', this was an attr selector.
    • Hostbinding:bind to host element ' s props.

If we using like this:

MyText myText>my text would be changed!</span>

This directive would change div and the last span's innerText to ' I am text directive! '.

[Angular Directive] 1. Write an Angular Directive

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