| <!DOCTYPE HTML> |
| <title>HTMLOptionElement.prototype.index</title> |
| <link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-option-index"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <select> |
| <option id="option0">hello</option> |
| <option id="option1">hello</option> |
| </select> |
| |
| |
| <datalist> |
| <option id="dl-option0">hello</option> |
| <option id="dl-option1">hello</option> |
| </datalist> |
| |
| <option id="doc-option0">hello</option> |
| <option id="doc-option1">hello</option> |
| |
| <script> |
| "use strict"; |
| |
| test(() => { |
| |
| assert_equals(document.querySelector("#option0").index, 0); |
| assert_equals(document.querySelector("#option1").index, 1); |
| |
| }, "option index should work inside the document"); |
| |
| test(() => { |
| |
| assert_equals(document.querySelector("#dl-option0").index, 0); |
| assert_equals(document.querySelector("#dl-option1").index, 0); |
| |
| }, "option index should always be 0 for options in datalists"); |
| |
| test(() => { |
| |
| assert_equals(document.querySelector("#doc-option0").index, 0); |
| assert_equals(document.querySelector("#doc-option1").index, 0); |
| |
| }, "option index should always be 0 for options with no container"); |
| |
| test(() => { |
| |
| assert_equals(document.createElement("option").index, 0); |
| assert_equals(document.createElement("option").index, 0); |
| |
| }, "option index should always be 0 for options not even in the document"); |
| |
| |
| </script> |
