JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app ng-controller="ctrl">
    <button ng-click="show = !show">Click me</button>
    <ul>
        <li>I'm always here</li>
        <div ng-if="show">
            <li>ggggggg</li>
            <li>fffffff</li>
        </div>
    </ul>
</div>

JavaScript

function ctrl($scope) {
    $scope.show = false;
}