select-selectedOptions-and-value.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-value.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>HTMLSelectElement.selectedOptions and HTMLSelectElement.value</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>

<div id=log></div>

<select id="sel">

  <option id="opt1" value="x" data-foo="a">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");

    const opt2 = document.getElementById("opt2");

    select.value = "x";

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

    select.value = "y";

    assert_equals(select.selectedOptions[0], opt2);

  }, "`HTMLSelectElement.selectedOptions` is correctly updated when `HTMLSelectElement.value` changes");

</script>