class for ui in javascript

To create a class for UI in JavaScript, you can use the ES6 class syntax. Here's an example:


index.tsx
class UI {
   constructor() {
      // You can initialize the properties for the UI class in the constructor
   }

   // You can define methods for the UI class
   showAlert(message, className) {
      const div = document.createElement('div');
      div.className = `alert ${className}`;
      div.appendChild(document.createTextNode(message));

      const container = document.querySelector('.container');
      const form = document.querySelector('#book-form');

      container.insertBefore(div, form);

      setTimeout(function(){
         document.querySelector('.alert').remove();
      }, 3000);
   }

   // You can define more methods for the UI class here
}
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In the above code, we define a UI class with a constructor and two methods showAlert() and some more methods. The showAlert() method receives a message and a class name as parameters, and creates an HTML element with the message and the class name. It then inserts the HTML element into the web page and removes it after 3 seconds.

You can then instantiate the UI class and call its methods to show alerts or perform other UI-related tasks:


index.tsx
const ui = new UI();

// Show an "error" alert
ui.showAlert('This is an error message', 'error');

// Show a "success" alert
ui.showAlert('This is a success message', 'success');
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With this class in place, you can add more methods to perform different UI-related tasks, and keep your code organized and modular.

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