JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-app ng-init="test=true">
<div>
both have ng-required="true"
<br/>
one as hardcoded string literal, one via a variable
<br/>
Inspect them, one is not required!
</div>
<form name="myForm">
<input type="text" ng-required="{{test}}" />
<input type="text" ng-required="true" />
</form>
</div>