Angular Js Get Element by Id

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<!DOCTYPE html>
<html lang="en">
  <head>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.13/angular.min.js"></script>
  </head>
  <body>
    <div ng-app="myApp" ng-controller="myController" class="container">
      <h3>Angular Js Get Element By Id</h3>
      <button ng-click="changeColor()">Change Color</button>
      <div id="element_id">Text with Color</div>
    </div>
​
    <script>
      angular.module("myApp", []).controller("myController", function ($scope) {
        $scope.changeColor = function () {
          var element = angular.element(document.querySelector("#element_id"));
          element.css("color", "red");
        };
      });
    </script>
      <style>
      .container {
        max-width: 500px;
        margin: 0 auto;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      }
      .container h3 {
        font-size: 24px;
        margin-bottom: 20px;
      }
    </style>
  </body>
</html>
​