select-selectedOptions-and-selected.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-select-element/select-selectedOptions-and-selected.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>HTMLSelectElement's selectedOptions and HTMLOptionElement's selected</title>

<link rel="help" href="https://html.spec.whatwg.org/multipage/forms.html#dom-select-value">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<select id="sel">

  <option id="opt1" value="x" data-foo="a" selected="selected">1st opt</option>

  <option id="opt2" value="y" data-foo="b">2nd opt</option>

</select>

<script>

"use strict";

test(() => {

  const select = document.getElementById("sel");

  const opt1 = document.getElementById("opt1");

  assert_equals(select.selectedOptions.length, 1);

  assert_equals(select.selectedOptions[0], opt1);

});

</script>