JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="" >
  <div ng-controller="FirstCtrl">
	<button ng-click="clickme()">Click Me</button> 
  </div>
  <div ng-controller="TwotCtrl">
	<button ng-click="clickme()">Click Me</button> 
  </div>
</div>

JavaScript

function OtherCtrl($scope) {
 
	$scope.clickme = function() {
		alert('1');
	}

}

function FirstCtrl($scope, $injector) {
    
    $injector.invoke(OtherCtrl, this, {$scope: $scope});
    
 
}
function TwotCtrl($scope, $controller) {
    
    $controller('OtherCtrl', {$scope: $scope})
    
 
}