6 document.getElementById('log').appendChild(document.createTextNode(msg + '\n'));
9 function description(element)
11 if (element.tagName && element.tagName.match(/input/i)) {
12 return '<input value="' + element.value + '" tabindex="' + element.tabIndex + '">';
14 return element.toString();
18 function dispatchTabPress(element, shiftKey)
20 var event = document.createEvent('KeyboardEvents');
21 var tabKeyIdentifier = 'U+0009';
22 event.initKeyboardEvent('keydown', true, true, document.defaultView, tabKeyIdentifier, 0, false, false, shiftKey, false, false);
23 element.dispatchEvent(event);
26 var lastFocusedElement = null;
27 function focusListener(event)
29 log('<input value="' + event.target.value + '" tabindex="' + event.target.tabIndex + '"> focused');
30 lastFocusedElement = event.target;
33 function addEventListenersToInputs(inputs)
35 for (var i = 0; i < inputs.length; ++i) {
36 inputs[i].addEventListener('focus', focusListener, false);
42 if (window.layoutTestController) {
43 layoutTestController.dumpAsText();
46 var inputs = document.getElementsByTagName('input');
48 // Put focus in the page
52 addEventListenersToInputs(inputs);
54 log('Tabbing forward....\n');
55 for (var i = 0; i < inputs.length; ++i) {
56 if (inputs[i].tabIndex >= 0)
57 dispatchTabPress(document, false);
60 lastFocusedElement.blur();
62 log('\nTabbing backward....\n');
63 for (var i = 0; i < inputs.length; ++i) {
64 if (inputs[i].tabIndex >= 0)
65 dispatchTabPress(document, true);
68 log('\nTest finished\n');
72 <body onload="test()">
73 <p>This page tests that the <a href="http://www.w3.org/TR/html4/interact/forms.html#h-17.11.1" title="HTML4 tabbing order spec">HTML4 tabbing order</a> is respected properly.</p>
74 <p>To test, put focus in "a". Pressing Tab should focus "a" through "k" in order, and pressing Shift-Tab should reverse the order.</p>
76 <input tabindex="6" value="g"><br>
77 <input tabindex="1" value="a"><br>
78 <input tabindex="-5" value="not in tab order (negative tabindex)"><br>
79 <input tabindex="1" value="b"><br>
80 <input tabindex="0" value="i"><br>
81 <input tabindex="6" value="h"><br>
82 <input tabindex="1" value="c"><br>
83 <input tabindex="1" value="d"><br>
84 <input tabindex="0" value="j"><br>
85 <input tabindex="-1" value="not in tab order (negative tabindex)"><br>
86 <input tabindex="0" value="k"><br>
87 <input tabindex="4" value="f"><br>
88 <input tabindex="3" value="e"><br>