AngularJS基础 ng-keydown 指令简单示例

AngularJS ng-keydown 指令 AngularJS 实例 按下按键时执行的代码: &lt;!DOCTYPE html> &lt;html&gt; &lt;head&gt; &lt;meta charset="utf-8"&gt; [removed][removed] &lt;/head&gt; &lt;body ng-app=""&gt; &lt;input ng-keydown="count = count + 1" ng-init="count=0" /&gt; <h1>{{count}}</h1> <p>该实例在输