We display alphabets from A to Z using ng-repeat directive.When mouse up event will fire then the style that is bind to ng-mouseup event will apply on alphabet means alphabets reamins in original position.
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.2/angular.min.js"></script>
</head>
<body ng-app="app">
<div ng-controller="controllerName" ng-init="genetareLetter()">
<span ng-repeat="p in ltrs"><i ng-mouseup="style={}" ng-mousedown="style={color:'blue','background-color':'gray','font-size':'20px', 'cursor':'pointer'}" ng-style="style">{{p}},</i></span>
</div>
<script>
var app = angular.module("app", []);
app.controller('controllerName', ['$scope', function ($scope) {
$scope.ltrs = [];
$scope.genetareLetter = function () {
var letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
for (i = 0; i < letters.length; i++) {
$scope.ltrs.push(letters[i]);
}
};
}]);
</script>
</body>
</html>
