flutter_flutter/benchmarks/layout/simple-blocks.sky

<sky>
<import src="../resources/runner.sky" as="PerfRunner" />
<style>
div {
  height: 10px;
}
span {
  display: inline;
}
</style>
<div id='content'></div>
<script>
var content = document.getElementById('content');

var out = [];
for (var i = 0; i < 1000; i++) {
  var div = document.createElement('div');
  div.appendChild(document.createElement('span')).appendChild(new Text('foo'));
  div.appendChild(new Text(' '));
  div.appendChild(document.createElement('span')).appendChild(new Text('bar'));
  content.appendChild(div);
}

var b = document.querySelector('sky');

var runner = new PerfRunner({
  setup: function() {
    b.style.width = '210px';
    getComputedStyle(b).color;
    b.offsetHeight;

    b.style.width = '200px';
    getComputedStyle(b).color;
  },
  iterations: 10,
  unit: 'ms',
});

runner.runAsync(function(done) {
  b.offsetHeight;
  done();
});
</script>
</sky>