JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app='myApp'>
  <div ng-controller='ctrl'>
    <button ng-click="myFunc(1)">Click Me!</button>
    {{showMe1}} {{nametocng}}
    <div ng-show="showMe1">
      <h1>Menu:</h1>
      <div>Pizza</div>
      <div>Pasta</div>
      <div>Pesce</div>
    </div>
  </div>
</div>

JavaScript

var app = angular.module('myApp', []);

app.controller('ctrl', function($scope) {
  $scope.showMe1 = false;
  $scope.nametocng = 'showMe1';
  $scope.myFunc = function(x) {
    var nametocng = 'showMe' + x;
    $scope.showMe1 = $scope.nametocng === nametocng; // result will bool
  }
});