DEV Community

Sh Raj
Sh Raj

Posted on

Creating Resizable Elements in Web Development

Creating Resizable Elements in Web Development

Resizability is a crucial aspect of modern web development, offering users the flexibility to adjust the size of elements according to their preferences. This functionality enhances the user experience by allowing them to customize the layout of web pages. In this article, we'll explore how to create resizable elements using various techniques in web development.

Introduction to Resizable Elements

Resizable elements enable users to dynamically adjust the width and height of specific components on a webpage. This feature is commonly found in user interfaces for applications, dashboards, and design tools. By incorporating resizability, developers can offer a more interactive and user-friendly experience to their audience.

Native HTML Resizability

HTML provides basic support for resizable elements through the resize property in CSS. By setting this property to both, elements such as <div> or <textarea> can be resized by dragging their edges with a mouse or touch input. Here's an example:

<div style="resize: both; overflow: auto;">
  <!-- Content goes here -->
Enter fullscreen mode Exit fullscreen mode

Resizable Elements with JavaScript

For more control over resizable behavior, JavaScript can be utilized. Libraries like jQuery UI offer robust solutions for creating resizable elements with additional features such as custom handles and constraints.

<!DOCTYPE html>
<html lang="en">
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Resizable Elements</title>
  <link rel="stylesheet" href="">
  <script src=""></script>
  <script src=""></script>
    .resizable {
      width: 200px;
      height: 200px;
      border: 2px solid #000;
      overflow: auto;

<div class="resizable" id="resizableElement">
  <p>Resizable Element</p>

  $(document).ready(function() {
      handles: 'se',
      minWidth: 100,
      minHeight: 100

Enter fullscreen mode Exit fullscreen mode

Creating Resizable Elements with Shadow DOM

Shadow DOM provides encapsulation for web components, allowing developers to create isolated DOM trees and styles. By leveraging Shadow DOM, resizable elements can be encapsulated within custom components, enhancing modularity and reusability.


  customElements.define('resizable-element', class extends HTMLElement {
    constructor() {
      const shadow = this.attachShadow({ mode: 'open' });

      const container = document.createElement('div');

      const content = document.createElement('div');
      content.textContent = 'Resizable Element';


      content.addEventListener('mousedown', initResize, false);

      function initResize(e) {
        window.addEventListener('mousemove', resize, false);
        window.addEventListener('mouseup', stopResize, false);

      function resize(e) { = e.clientX - content.offsetLeft + 'px'; = e.clientY - content.offsetTop + 'px';

      function stopResize() {
        window.removeEventListener('mousemove', resize, false);
        window.removeEventListener('mouseup', stopResize, false);
Enter fullscreen mode Exit fullscreen mode


In conclusion, resizable elements are invaluable in web development for creating dynamic and user-friendly interfaces. Whether using native HTML/CSS properties, JavaScript libraries like jQuery UI, or Shadow DOM for encapsulation, developers have various techniques at their disposal to implement resizability based on project requirements. By incorporating resizable elements, developers can enhance the flexibility and interactivity of their web applications, ultimately improving the user experience.

Top comments (2)

jonrandy profile image
Jon Randy πŸŽ–οΈ • Edited

AI generated/assisted posts should adhere to the guidelines for such content.

sloan profile image
Sloan the DEV Moderator

Hey, this article appears to have been generated with the assistance of ChatGPT or possibly some other AI tool.

We allow our community members to use AI assistance when writing articles as long as they abide by our guidelines. Please review the guidelines and edit your post to add a disclaimer.

Failure to follow these guidelines could result in DEV admin lowering the score of your post, making it less visible to the rest of the community. Or, if upon review we find this post to be particularly harmful, we may decide to unpublish it completely.

We hope you understand and take care to follow our guidelines going forward!