JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-app="myApp" ng-controller="MyController as vm">
<p ng-if='vm.aa="1" && vm.flag'>
{{vm.flag}}
</p>
</div>
JavaScript
angular.module("myApp", []).controller("MyController", Mycontroller);
function Mycontroller() {
var vm = this;
vm.flag = true;
vm.aa = '1';
}