Simple Clean Popup Window with Pure JavaScript – Simple Popup

Category: Javascript , Modal & Popup | March 21, 2015
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Last Update:March 21, 2015


Simple Clean Popup Window with Pure JavaScript – Simple Popup


Simple Popup is a native JavaScript library for creating responsive and always centered popup windows on your page. You can also use it as a jQuery library or as an AMD/CommonJS module.

How to use it:

Download and include the simple-popup.js JS library in your document.

<script src="simple-popup.js"></script>

Create a button to launch a popup window.

<button type="button" id="open">Open</button>

Embed your content into the popup window following the markup structure like so:

<div id="popup" class="popup-wrapper hide">
  <div class="popup-content">
    <div class="popup-title">
      <button type="button" class="popup-close">&times;</button>
      <h3>Popup Title</h3>
    <div class="popup-body">
      <p>Popup body</p>

The JavaScript to enable the popup window & trigger button.

var popupEl = document.getElementById('popup'); 
// As a native plugin
var popup = new Popup(popupEl, {
  width: 400,
  height: 300
// As a jQuery plugin
// var popup = $('#popup').popup({
//     width: 400,
//     height: 300
// });
var open = document.getElementById('open');
open.onclick = function() {;

Style the popup window whatever you like:

.popup-wrapper {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-shadow: 0 2px 8px #aaa;
  overflow: hidden;
.popup-title {
  padding: 10px 15px;
  background-color: #f4f4f4;
  border-bottom: 1px solid #f0f0f0;
.popup-title h3 {
  margin: 0;
  line-height: 1.5em;
  color: #333;
.popup-body {
  padding: 10px 15px;
  color: #555;
.popup-close {
  float: right;
  margin-top: 2px;
  padding: 0;
  font-size: 24px;
  line-height: 1;
  border: 0;
  background: transparent;
  color: #aaa;
  cursor: pointer;
.popup-close:hover { color: #333; }

Default options.

width: 500,
height: 400,
offsetX: 0,
offsetY: 0,
zIndex: 999,
closeBtnClass: 'popup-close'

The method to close the popup window.


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