visibility-collapse-rowspan-003.html (3095B)
1 <!doctype html> 2 <meta charset="utf-8"> 3 <script src='/resources/testharness.js'></script> 4 <script src='/resources/testharnessreport.js'></script> 5 <link rel='stylesheet' href='support/base.css' /> 6 <link rel="author" title="Joy Yu" href="mailto:joysyu@mit.edu"> 7 <link rel="help" href="https://drafts.csswg.org/css-tables-3/#computing-the-table-height"> 8 <style> 9 table { 10 border-spacing: 0; 11 border-collapse: collapse; 12 } 13 table td { 14 border: 1px solid blue; 15 padding: 5px; 16 } 17 </style> 18 <main> 19 <h1>Visibility collapse</h1> 20 <a href="https://drafts.csswg.org/css-tables-3/#computing-the-table-height">Spec</a> 21 <p> 22 Setting a row to visibility:collapse changes table height but not width. 23 Here the spanning cell and another cell are in the same row. 24 </p> 25 <table id="one"> 26 <tr id="firstRowRef"> 27 <td>aaaa</td> 28 </tr> 29 <tr id="secondRowRef"> 30 <td>bbbb</td> 31 </tr> 32 <tr id="collapsedRowRef"> 33 <td rowspan="2">spanning</td> 34 <td>cccc</td> 35 </tr> 36 <tr id="fourthRowRef"> 37 <td>dddd</td> 38 </tr> 39 <tr id="fifthRowRef"> 40 <td>eeee</td> 41 </tr> 42 </table> 43 Bottom table is identical to top except third row has been collapsed. 44 <table id="two"> 45 <tr id="firstRow"> 46 <td>aaaa</td> 47 </tr> 48 <tr id="secondRow"> 49 <td>bbbb</td> 50 </tr> 51 <tr style="visibility:collapse;" id="collapsedRow"> 52 <td rowspan="2">spanning</td> 53 <td>cccc</td> 54 </tr> 55 <tr id="fourthRow"> 56 <td>dddd</td> 57 </tr> 58 <tr id="fifthRow"> 59 <td>eeee</td> 60 </tr> 61 </table> 62 </main> 63 64 <script> 65 tests = [ 66 [ 67 document.getElementById('two').offsetWidth, 68 document.getElementById('one').offsetWidth, 69 "spanning row visibility:collapse doesn't change table width" 70 ], 71 [ 72 document.getElementById('collapsedRow').offsetHeight, 73 0, 74 "collapsed row has zero height" 75 ], 76 [ 77 document.getElementById('firstRow').offsetHeight, 78 document.getElementById('firstRowRef').offsetHeight, 79 "first row height doesn't change" 80 ], 81 [ 82 document.getElementById('secondRow').offsetHeight, 83 document.getElementById('secondRowRef').offsetHeight, 84 "second row height doesn't change" 85 ], 86 [ 87 document.getElementById('fourthRow').offsetHeight, 88 document.getElementById('fourthRowRef').offsetHeight, 89 "fourth row height doesn't change" 90 ], 91 [ 92 document.getElementById('fifthRow').offsetHeight, 93 document.getElementById('fifthRowRef').offsetHeight, 94 "fifth row height doesn't change" 95 ]]; 96 for (i = 0; i< tests.length; i++) { 97 test(function() 98 { 99 assert_equals.apply(this, tests[i]); 100 }, 101 tests[i][2]); 102 }; 103 </script> 104 </html>