We can find which key is pressed using keypress event. Pass $event to the function. We can track the pressed key using $event.keyCode. Read about key codes over here
Type Here <br/> <input type="number" ng-keypress="whichKey($event)"/> <script> function myCtrl($scope, $compile) { $scope.whichKey = function($event) { if($event.keyCode == 13) { alert('Enter pressed'); } else if($event.keyCode == 8) { alert('Backspace pressed'); } else if($event.keyCode == 9) { alert('Tab pressed'); } else if($event.keyCode == 32) { alert('space pressed'); } else { alert($event.keyCode); } }; } </script>
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