Angular語法（二）——模板語法

雙花括號{{}}

<img src="{{heroImageUrl}}" style="height:30px">-->
<p>The sum of 1 + 1 is {{1 + 1}}p>-->
<p>The sum of 1 + 1 is not {{1 + 1 + getVal()}}p>

event binding

(event)="statement"

<button (click)="deleteHero()">Delete herobutton>

傳參

<button (click)="onSave($event)">Savebutton>
<button *ngFor="let hero of heroes" (click)="deleteHero(hero)">{{hero.name}}button>
<form #heroForm (ngSubmit)="onSubmit(heroForm)"> ... form>