Execute
<!DOCTYPE html> <html> <head> <title>Wikitechy AngularJS Tutorials</title> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular.min.js"></script> </head> <body ng-app=""> <h2>ng-keyup Directive in AngularJS</h2> <input ng-keyup="count = count + 1" ng-init="count=0" > <h3>The keyup count: {{count}}</h3> </body> </html>
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