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Copyright 2017 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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<html lang="en">
<meta name="description" content="Simplest possible examples of HTML, CSS and JavaScript." />
<meta name="author" content="//">
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<meta itemprop="name" content=" simplest possible examples of HTML, CSS and JavaScript">
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<meta name="mobile-web-app-capable" content="yes">
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<base target="_blank">
<title>img with srcset using w values</title>
<link rel="stylesheet" href="../css/main.css" />
img {
width: 50vw;
<div id="container">
<h1><a href="../index.html" title=" home page"></a> &lt;img&gt; with srcset using w&nbsp;values</h1>
<img src="small.jpg" srcset="small.jpg 500w, medium.jpg 1000w, large.jpg 1500w" alt="Lias and Little Puss: two ten week old grey tabby kittens" />
<p>Try changing the viewport size.</p>
<p>A browser that supports the srcset attribute will choose <a href="small.jpg" title="500px wide image file">small.jpg</a>, <a href="medium.jpg" title="1000px wide image file">medium.jpg</a> or <a href="large.jpg" title="1500px wide image file">large.jpg</a>, depending on the viewport width and the screen resolution.</p>
Image used: <span id="imgSrc"></span><br>
Image natural width: <span id="imgNaturalWidth"></span>px<br>
Image display width: <span id="imgWidth"></span>px<br>
Device pixel ratio: <span id="devicePixelRatio"></span><br>
Minimum acceptable image width: <span id="minimumWidth"></span>px<br>
Viewport width: <span id="viewportWidth"></span>px<br>
Available screen width: <span id="availableWidth"></span>px<br>
<p class="borderBelow">In this example, only the <strong>viewport</strong> width is taken into account by the browser when choosing which image file to request. The <a href="../sizeswvalues" title="img element with srcset and sizes attributes">sizes example</a> enables the browser to choose the appropriate file given the <strong>display</strong> width of the image.</p>
<p>The <a href="../pictureart" title="Using the picture element for art direction">art direction</a> and <a href="../picturetype" title="Using the picture element with alternative sources">file types</a> examples show ways to use the picture element.</p>
<a href="" title="View source for this page on GitHub" id="viewSource">View source on GitHub</a>
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