float-percentage-widths.html | Explore in Territory

<!DOCTYPE html>
<html>
    <head>
        <style>
            .container { width: 249px; margin: 0 auto; }
            .child { width: 30%; margin-right: 5%; margin-bottom: 10px; background: black; float: left; color: white; }
            .child.last { margin-right: 0; }
        </style>
        <script src="../../resources/js-test.js"></script>
    </head>
    <body>
        <p>The three boxes below should all appear on the same line.</p>
        <div class="container">
            <div class="child">&nbsp;</div>
            <div class="child">&nbsp;</div>
            <div class="child last">&nbsp;</div>
        </div>
        <script>
            var children = document.getElementsByClassName('child');
            var firstChildTop = children[0].getBoundingClientRect().top;
            var lastChildTop = children[2].getBoundingClientRect().top;
            if (firstChildTop == lastChildTop)
                testPassed('All boxes are on the same line.');
            else
                shouldBe('children[0].getBoundingClientRect().top', "children[2].getBoundingClientRect().top");
        </script>
    </body>
</html>

chromium/third_party/blink/web_tests/fast/sub-pixel/float-percentage-widths.html