<h3>双向绑定</h3>
<input [(ngModel)]="name">
{{name}}
TS：
public name = 'Jonny' ;
constructor() {
setTimeout(() => {
this.divClass = 'a b c';
this.isBig = true;
this.divClassABC = {
a: true,
b: true,
c: false
};
}, 3000);
setInterval(() => {
this.name = 'Jenny';
}, 3000);
}
