每个按键上的Angular 2更改事件 [英] Angular 2 change event on every keypress

问题描述

仅在输入的焦点已更改后才调用change事件.如何使事件在每次按键上触发?

The change event is only called after the focus of the input has changed. How can I make it so that the event fires on every keypress?

<input type="text" [(ngModel)]="mymodel" (change)="valuechange($event)" />
{{mymodel}}

第二个绑定在每次按键时都会改变.

The second binding changes on every keypress btw.

推荐答案

我只是使用了事件输入，它的工作情况如下:

I just used the event input and it worked fine as follows:

.html文件中的

<input type="text" class="form-control" (input)="onSearchChange($event.target.value)">

.ts文件中的

onSearchChange(searchValue: string): void {  
  console.log(searchValue);
}

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