Pt versus px
How do I make an pt versus px?
What is a pt versus px? How do you make a pt versus px? This script and codes were developed by Patrick H. Lauke on 25 September 2022, Sunday.
Pt versus px - Script Codes HTML Codes
<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>pt versus px</title> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <h1><code>pt</code> versus <code>px</code></h1>
<p>visual test to demonstrate that <code>1pt = 1.333px</code> as per <a href="https://drafts.csswg.org/css-values/#absolute-lengths">CSS Values and Units Module Level 3 - 5.2. Absolute lengths</a>.</p>
<p>as <code>1pt = 1/72th of 1in</code> and <code>1px = 1/96th of 1in</code>, <code>1pt = (96/72)px = 1.333px</code></p>
<p>as an additional exercise, take a ruler and measure the actual physical size the <code>pt</code> blocks are being rendered at on <strong>your</strong> particular screen, and see if they match their actual real-world measurement (hint: the <code>72pt</code> block should be <code>1in</code> wide/high if that was the case). They won't, or at least can't be guaranteed to be across devices, as <code>pt</code> and other "physical" units are in fact anchored on the reference <code>px</code> and will vary depending on all sorts of factors, such as actual screen size, screen resolution, viewport settings, browser settings, OS settings, user settings, etc.</p>
<p>note that this page uses <code><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"></code> to force an "ideal" viewport.</p> <script src="js/index.js"></script>
</body>
</html>
Pt versus px - Script Codes CSS Codes
div { border: 1px #000 solid; margin : 0 0 0.5em 0}
.pt { background: #fee}
.px { background: #efe}
Pt versus px - Script Codes JS Codes
for (var i = 1; i < 10; i++) { document.body.innerHTML += '<div class="pt" style="width:'+i*18+'pt;height:'+i*18+'pt">'+i*18+'pt</div>'; document.body.innerHTML += '<div class="px" style="width:'+(i*1.333)*18+'px;height:'+(i*1.333)*18+'px">'+(i*1.333)*18+'px</div>';
}
Developer | Patrick H. Lauke |
Username | patrickhlauke |
Uploaded | September 25, 2022 |
Rating | 3 |
Size | 2,254 Kb |
Views | 18,216 |
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