display-first-line-001.html (1142B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Display: first-line pseudo-element</title> 4 <link rel="help" href="https://www.w3.org/TR/css-display-3/#placement"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <style> 8 #t1::first-line { float: left; display: flex; font-size: 30px } 9 #t2::first-line { float: left; font-size: 30px } 10 #t3::first-line { display: flex; font-size: 30px } 11 #t4::first-line { font-size: 30px } 12 </style> 13 <div id="t1">First line is float and flex.</div> 14 <div id="t2">First line is float but not flex.</div> 15 <div id="t3">First line is flex but not float.</div> 16 <div id="t4">First line is not float or flex.</div> 17 <script> 18 function getFirstLineDisplayFor(id) { 19 return window.getComputedStyle(document.getElementById(id), "::first-line").display; 20 } 21 test(function() { 22 assert_equals(getFirstLineDisplayFor("t1"), "inline"); 23 assert_equals(getFirstLineDisplayFor("t2"), "inline"); 24 assert_equals(getFirstLineDisplayFor("t3"), "inline"); 25 assert_equals(getFirstLineDisplayFor("t4"), "inline"); 26 }, "display of first-line"); 27 </script>