layout/reftests/css-valuesandunits/ch-width-1.html
author Andreas Pehrson <apehrson@mozilla.com>
Fri, 21 Dec 2018 20:03:42 +0000
changeset 508857 6781e633d62cc42d12bd9911c8cb22430d60f0e2
parent 493549 70160e10c6047e49c7d2cc0d7b11dfa531a0b8d3
permissions -rw-r--r--
Bug 1513973 - Make MediaEngineSource::SetTrack return void. r=jib All subclasses are now returning NS_OK, so there's no point in keeping nsresult as the return type. Differential Revision: https://phabricator.services.mozilla.com/D15193

<!DOCTYPE html>
<style>
body {
  font-family: courier new, courier, monospace;
  line-height: 1;
}
div {
  width: 120px;
  float: left;
}
span {
  display: inline-block;
  height: 1em;
}
span.a {
  background: red;
}
span.b {
  position: relative;
  top: -1em;
  height: 1em;
  background: lightgreen;
}
</style>
<p>No red should appear at the tips of the rectangles:</p>
<script>
for (var i = 10; i <= 16; i++) {
  var div = document.createElement("div");
  div.style.fontSize = i + "px";
  document.body.appendChild(div);
  for (var j = 1; j <= 10; j++) {
    // create a red span with width specified in 'ch' units
    var a = document.createElement("span");
    a.className = "a";
    a.style.width = j + "ch";
    a.textContent = "\xA0";
    div.appendChild(a);
    div.appendChild(document.createElement("br"));
    // overlay it with a green span containing the equivalent number of chars
    var b = document.createElement("span");
    b.className = "b";
    b.textContent = "\xA0".repeat(j);
    div.appendChild(b);
    div.appendChild(document.createElement("br"));
  }
  for (var j = 1; j <= 10; j++) {
    // create a red span containing a specific number of chars
    var a = document.createElement("span");
    a.className = "a";
    a.textContent = "\xA0".repeat(j);
    div.appendChild(a);
    div.appendChild(document.createElement("br"));
    // overlay it with a green span with width specified in 'ch' units
    var b = document.createElement("span");
    b.className = "b";
    b.style.width = j + "ch";
    b.textContent = "\xA0";
    div.appendChild(b);
    div.appendChild(document.createElement("br"));
  }
}
</script>