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<html><script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script><body ng-app=""><p>My cars:</p><input type="checkbox" ng-model="all"> Check all<br><br><input type="checkbox" ng-checked="all">Volvo<br><input type="checkbox" ng-checked="all">Ford<br><input type="checkbox" ng-checked="all">Mercedes<p>Click "Check all" to check all three cars.</p></body><!-- Mirrored from www.w3schools.com/angular/tryit.asp?filename=try_ng_ng-checked by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 18:00:19 GMT --></html>