3 <script src="resources/srcset-helper.js"></script>
4 <script src="../../resources/js-test.js"></script>
7 var img = document.getElementById("foo");
8 // srcset must be set first, otherwise 'src' is loaded as well
9 img.srcset = "resources/blue-100-px-square.png 1x, resources/green-400-px-square.png 2x";
10 img.src = "resources/blue-100-px-square.png"
13 addEventListener("DOMContentLoaded", function() {
14 if (window.testRunner && sessionStorage.pageReloaded)
15 testRunner.dumpResourceRequestCallbacks();
18 addEventListener("load", function() {
19 shouldBeTrue('document.getElementById("foo").clientWidth==200');
25 <div>This test passes if this img tag below is a green square when the scale factor is 2.
26 It ensures that attributes can be changed dynamically from javascript, and that only the correct resource is loaded.</div>