Enlarge/Zoom Image Onclick JavaScript Popup

JavaScript Popup Enlarge Image onclick
Code Snippet:Zooming
Author: Chris Coyier
Published: January 11, 2024
Last Updated: January 22, 2024
Downloads: 18,056
License: MIT
Edit Code online: View on CodePen
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This JavaScript plugin helps you to create a popup enlarge image onclick event. It comes with smooth animations with intuitive gestures. Basically, it picks images from content/article and zooms into a hi-res image. Moreover, the zooming speed, background overlay, and image grab can be customized with plugin options.

How to Create JavaScript Popup Enlarge Image onclick

1. First of all, place your images with data-action=”zoom” and data-original attributes. Define the src attribute for the image thumbnail and data-original for a full-size image that will be loaded when clicked on the thumbnail.

<div class="container">
  <section class="header">
    <h2>Zooming</h2>

    <div class="value-img">
      <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/3/journey_start_thumbnail.jpg" data-action="zoom" data-original="https://s3-us-west-2.amazonaws.com/s.cdpn.io/3/journey_start.jpg" alt="journey_start_thumbnail" />
    </div>
  </section>

  <section class="content">
    <div class="value-img">
      <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/3/journey_thumbnail.jpg" data-action="zoom" data-original="https://s3-us-west-2.amazonaws.com/s.cdpn.io/3/journey.jpg" alt="journey_thumbnail" />
    </div>
  </section>
</div> 

2. After that, add the following CSS styles to your project:

.container {
  max-width: 600px;
}

section.header {
  margin-top: 4rem;
  text-align: center;
}

section.content {
  text-align: center;
}

.value-img {
  display: block;
  text-align: center;
  margin: 2em 0;
}

img {
  max-width: 100%;
}

@media (min-width: 550px) {
  .header {
    margin-top: 10rem;
  }
}

.button.button-primary {
  background-color: #ce7338 !important;
  border-color: #ce7338 !important;
}

3. Finally, add the following JavaScript code and done.

/* eslint-disable */

var config = Zooming.config(),
TRANSITION_DURATION_DEFAULT = config.transitionDuration,
TRANSITION_DURATION_SLOW = 1.0,
TRANSITION_DURATION_FAST = 0.2,
BG_COLOR_DEFAULT = config.bgColor,
BG_COLOR_DARK = '#000',
ENABLE_GRAB_DEFAULT = config.enableGrab,
ACTIVE_CLASS = 'button-primary',

btnFast = document.getElementById('btn-fast'),
btnSlow = document.getElementById('btn-slow'),
btnDark = document.getElementById('btn-dark'),
btnNoGrab = document.getElementById('btn-no-grab');

function isActive(el) {
  return el.classList.contains(ACTIVE_CLASS);
}

function activate(el) {
  el.classList.add(ACTIVE_CLASS);
}

function deactivate(el) {
  el.classList.remove(ACTIVE_CLASS);
}

function fast() {
  var t;
  if (isActive(btnFast)) {
    t = TRANSITION_DURATION_DEFAULT;
    deactivate(btnFast);
  } else {
    t = TRANSITION_DURATION_FAST;
    activate(btnFast);
    deactivate(btnSlow);
  }

  Zooming.config({ transitionDuration: t });
}

function slow() {
  var t;
  if (isActive(btnSlow)) {
    t = TRANSITION_DURATION_DEFAULT;
    deactivate(btnSlow);
  } else {
    t = TRANSITION_DURATION_SLOW;
    activate(btnSlow);
    deactivate(btnFast);
  }

  Zooming.config({ transitionDuration: t });
}

function dark() {
  var c;
  if (isActive(btnDark)) {
    c = BG_COLOR_DEFAULT;
    deactivate(btnDark);
  } else {
    c = BG_COLOR_DARK;
    activate(btnDark);
  }

  Zooming.config({ bgColor: c });
}

function noGrab() {
  var enable;
  if (isActive(btnNoGrab)) {
    enable = ENABLE_GRAB_DEFAULT;
    deactivate(btnNoGrab);
  } else {
    enable = !ENABLE_GRAB_DEFAULT;
    activate(btnNoGrab);
  }

  Zooming.config({ enableGrab: enable });
}

That’s all! hopefully, you have successfully integrated this popup enlarge image code snippet into your project. If you have any questions or facing any issues, feel free to comment below.

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