import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions

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<!DOCTYPE html>
<style>
div { color: green; }
div#reverse { color: red; }
</style>
<div id="null" style="color: red">This text should be green</div>
<div id="emptystring"style="color: red">This text should be green</div>
<div id="reverse" style="color: green">This text should be green</div>
<script>
document.getElementById("null").style.color = null;
document.getElementById("emptystring").style.color = "";
document.getElementById("reverse").style.color = "some invalid color string";
</script>