Angular4 常用事件绑定

1.input  keyup：键盘的每一次输入  blur：失去焦点   

<input #searchBox id="search-box" (keyup)="search(searchBox.value)"  (blur)="update(box.value)"> />

<input type="text" #box (keyup.enter)="addHero(box.value); box.value=''"  placeholder="hero name"/> // 输入enter按键时才会响应事件

2.ngSubmit

<form #heroForm (ngSubmit)="onSubmit(heroForm)"> ...</form>

3.ngModelChange

4.change