| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>The output element</title> |
| <link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org"> |
| <link rel=help href="https://html.spec.whatwg.org/multipage/#the-output-element"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| <output id=output></output> |
| <script> |
| var output = document.getElementById("output"); |
| |
| test(function(){ |
| assert_equals(output.type, "output", "type must return the string 'output'"); |
| assert_equals(output.textContent, "", "textContent is empty"); |
| assert_equals(output.value, "", "value should be empty"); |
| assert_equals(output.defaultValue, "", "defaultValue should be empty"); |
| |
| output.textContent="5"; |
| assert_equals(output.value, "5", "textContent is set to 5: value is updated"); |
| assert_equals(output.textContent, "5", "textContent is set to 5"); |
| assert_equals(output.defaultValue, "5", "textContent is set to 5: defaultValue is updated"); |
| |
| output.defaultValue="10"; // value mode flag is in "default" mode. Setting defaultValue should set textContent as well |
| assert_equals(output.value, "10", "defaultValue is set to 10: value is updated"); |
| assert_equals(output.textContent, "10", "defaultValue is set to 10: textContent is updated"); |
| assert_equals(output.defaultValue, "10", "defaultValue is set to 10"); |
| |
| output.value="20"; // set the value mode flag to "value": default value remains unchanged |
| assert_equals(output.value, "20", "value is set to 20"); |
| assert_equals(output.textContent, "20", "value is set to 20: textContent is updated"); |
| assert_equals(output.defaultValue, "10", "value is set to 20: defaultValue remains unchanged"); |
| |
| output.defaultValue="15"; // value mode flag is in "value" mode. textContent remains unchanged when setting defaultValue |
| assert_equals(output.value, "20", "defaultValue is set to 15: value remains unchanged"); |
| assert_equals(output.textContent, "20", "defaultValue is set to 15: textContent remains unchanged"); |
| assert_equals(output.defaultValue, "15", "defaultValue is set to 15"); |
| }, "output value and defaultValue"); |
| </script> |
