output.html (2673B)
1 <!DOCTYPE html> 2 <meta charset=utf-8> 3 <title>The output element</title> 4 <link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org"> 5 <link rel=help href="https://html.spec.whatwg.org/multipage/#the-output-element"> 6 <script src="/resources/testharness.js"></script> 7 <script src="/resources/testharnessreport.js"></script> 8 <div id="log"></div> 9 <output id=output></output> 10 <output id="defaultValueOutput">abc</output> 11 <script> 12 var output = document.getElementById("output"); 13 var defaultValueOutput = document.getElementById("defaultValueOutput"); 14 15 test(function(){ 16 assert_equals(output.type, "output", "type must return the string 'output'"); 17 assert_equals(output.textContent, "", "textContent is empty"); 18 assert_equals(output.value, "", "value should be empty"); 19 assert_equals(output.defaultValue, "", "defaultValue should be empty"); 20 21 output.textContent="5"; 22 assert_equals(output.value, "5", "textContent is set to 5: value is updated"); 23 assert_equals(output.textContent, "5", "textContent is set to 5"); 24 assert_equals(output.defaultValue, "5", "textContent is set to 5: defaultValue is updated"); 25 26 output.defaultValue="10"; // value mode flag is in "default" mode. Setting defaultValue should set textContent as well 27 assert_equals(output.value, "10", "defaultValue is set to 10: value is updated"); 28 assert_equals(output.textContent, "10", "defaultValue is set to 10: textContent is updated"); 29 assert_equals(output.defaultValue, "10", "defaultValue is set to 10"); 30 31 output.value="20"; // set the value mode flag to "value": default value remains unchanged 32 assert_equals(output.value, "20", "value is set to 20"); 33 assert_equals(output.textContent, "20", "value is set to 20: textContent is updated"); 34 assert_equals(output.defaultValue, "10", "value is set to 20: defaultValue remains unchanged"); 35 36 output.defaultValue="15"; // value mode flag is in "value" mode. textContent remains unchanged when setting defaultValue 37 assert_equals(output.value, "20", "defaultValue is set to 15: value remains unchanged"); 38 assert_equals(output.textContent, "20", "defaultValue is set to 15: textContent remains unchanged"); 39 assert_equals(output.defaultValue, "15", "defaultValue is set to 15"); 40 41 assert_equals(defaultValueOutput.type, "output", "type must return the string 'output'"); 42 assert_equals(defaultValueOutput.textContent, "abc", "textContent should be 'abc'"); 43 assert_equals(defaultValueOutput.value, "abc", "value should be 'abc'"); 44 assert_equals(defaultValueOutput.defaultValue, "abc", "defaultValue should be 'abc'"); 45 }, "output value and defaultValue"); 46 </script>