has-invalidation-for-wiping-an-element.html (1412B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>:has() invalidation for wiping an element by means of innerHTML</title> 4 <link rel="author" title="Byungwoo Lee" href="mailto:blee@igalia.com"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <link rel="help" href="https://drafts.csswg.org/selectors/#relational"> 8 <style> 9 div, main { color: grey } 10 .subject:has(.descendant) { color: green} 11 </style> 12 <main id=main> 13 <div id="subject" class="subject"></div> 14 </main> 15 <script> 16 let grey = 'rgb(128, 128, 128)'; 17 let green = 'rgb(0, 128, 0)'; 18 19 function test_div(test_name, el, color) { 20 test(function() { 21 assert_equals(getComputedStyle(el).color, color); 22 }, test_name + ': div#' + el.id + '.color'); 23 } 24 25 test_div('initial color', subject, grey); 26 27 subject.innerHTML = "This is a text <div><div class='descendant'></div></div>"; 28 29 test_div('color after inserting text and div > .descendant', subject, green); 30 31 subject.innerHTML = "This is a text"; 32 33 test_div('color after wiping #child to remove div > .descendant', subject, grey); 34 35 subject.innerHTML = "<div id='child'> This is a text <div class='descendant'></div></div>"; 36 37 test_div('color after inserting text and #child > .descendant', subject, green); 38 39 child.innerHTML = "This is a text"; 40 41 test_div('color after wiping #child to remove .descendant', subject, grey); 42 </script>