angular conditional required

by vaiism

HTML

<script type="text/javascript" src="http://code.angularjs.org/angular-1.0.0rc5.min.js"></script>
<div ng-app>
    <input type="checkbox" ng-model="shouldBeRequired">
    <input ng-model="i1" ng-required="shouldBeRequired"><br/>
    Required? {{shouldBeRequired}}<br/>
    {{i1}}
</div>

CSS

body {font-size:0.9em;font-family:sans-serif;}
input.ng-invalid, select.ng-invalid, textarea.ng-invalid, input.formElement.ng-invalid {
    border: solid 1pt red;
}