Masonry - imagesLoaded progress, vanilla JS

index.html

<h1>Masonry - imagesLoaded progress, vanilla JS</h1>

<div class="grid">
  <div class="grid-sizer"></div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/orange-tree.jpg" />
  </div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/submerged.jpg" />
  </div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/look-out.jpg" />
  </div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/one-world-trade.jpg" />
  </div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/drizzle.jpg" />
  </div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/cat-nose.jpg" />
  </div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/contrail.jpg" />
  </div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/golden-hour.jpg" />
  </div>
  <div class="grid-item">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/82/flight-formation.jpg" />
  </div>
</div>

masonry-imagesloaded-progress-vanilla-js.markdown

Masonry - imagesLoaded progress, vanilla JS

A Pen by David DeSandro on CodePen.

License.

script.js

// external js: masonry.pkgd.js, imagesloaded.pkgd.js

// init Isotope
var grid = document.querySelector('.grid');

var msnry = new Masonry( grid, {
  itemSelector: '.grid-item',
  columnWidth: '.grid-sizer',
  percentPosition: true
});

imagesLoaded( grid ).on( 'progress', function() {
  // layout Masonry after each image loads
  msnry.layout();
});

scripts

<script src="http://masonry.desandro.com/masonry.pkgd.js"></script>
<script src="http://imagesloaded.desandro.com/imagesloaded.pkgd.js"></script>

style.css

* { box-sizing: border-box; }

/* force scrollbar */
html { overflow-y: scroll; }

body { font-family: sans-serif; }

/* ---- grid ---- */

.grid {
  background: #DDD;
}

/* clear fix */
.grid:after {
  content: '';
  display: block;
  clear: both;
}

/* ---- .grid-item ---- */

.grid-sizer,
.grid-item {
  width: 33.333%;
}

.grid-item {
  float: left;
}

.grid-item img {
  display: block;
  max-width: 100%;
}