<!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="Demo">
<div class="row" ng-controller="myController">
<span class="col-md-3">
<span>Hide/Show</span> <input type="checkbox" ng-model="isChecked" />
</span>
<div class="col-md-9" ng-show="isChecked">
<input type="text" style="width:300px;" class="form-control" />
</div>
</div>
<script type="text/javascript">
var demo = angular.module("Demo", []);
demo.controller("myController", function ($scope) {
$scope.isChecked = true;
});
</script>
</body>
</html>