textarea-textLength.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-textarea-element/textarea-textLength.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<title>The textLengh IDL attribute</title>

<meta content="charset=utf-16">

<link rel="author" title="tigercosmos" href="mailto:phy.tiger@gmail.com">

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

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

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

<textarea id="textarea"></textarea>

<script>

    var textarea = document.getElementById("textarea");

    test(function () {

        textarea.value= "Hello, World!";

        assert_equals(textarea.textLength, 13);

        textarea.value = "\u4f60\u597d\uff0c\u4e16\u754c\uff01"; //你好，世界!

        assert_equals(textarea.textLength, 6);

    }, "Textarea's 'testLength' should work for utf-16.");

</script>