<html><script src="https://cdn.staticfile.net/angular.js/1.6.9/angular.min.js"></script><body ng-app=""><div ng-mouseup="count = count + 1" ng-init="count=0">点击我！</div><h1>{{count}}</h1><p>此例中，每次在 DIV 元素上完成鼠标点击时，变量“count”的值都会增加。</p></body></html>