diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-input-element/input-valueasnumber.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-input-element/input-valueasnumber.txt
new file mode 100644
index 00000000000..0ebce007a13
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-input-element/input-valueasnumber.txt
@@ -0,0 +1,66 @@
+Harness status: OK
+
+Found 60 tests
+
+34 Pass
+26 Fail
+Pass	valueAsNumber getter on type date (actual value: , expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type date (actual value: 0000-12-10, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type date (actual value: 2019-00-12, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type date (actual value: 2019-12-00, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type date (actual value: 2019-13-10, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type date (actual value: 2019-02-29, expected valueAsNumber: NaN)
+Fail	valueAsNumber getter on type date (actual value: 2019-12-10, expected valueAsNumber: 1575936000000)
+Fail	valueAsNumber getter on type date (actual value: 2016-02-29, expected valueAsNumber: 1456704000000)
+Fail	valueAsNumber setter on type date (actual valueAsNumber: 0, expected value: 1970-01-01)
+Fail	valueAsNumber setter on type date (actual valueAsNumber: 1575936000000, expected value: 2019-12-10)
+Fail	valueAsNumber setter on type date (actual valueAsNumber: 1456704000000, expected value: 2016-02-29)
+Pass	valueAsNumber getter on type month (actual value: , expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type month (actual value: 0000-12, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type month (actual value: 2019-00, expected valueAsNumber: NaN)
+Fail	valueAsNumber getter on type month (actual value: 2019-12, expected valueAsNumber: 599)
+Fail	valueAsNumber getter on type month (actual value: 1969-12, expected valueAsNumber: -1)
+Fail	valueAsNumber setter on type month (actual valueAsNumber: 599, expected value: 2019-12)
+Fail	valueAsNumber setter on type month (actual valueAsNumber: -1, expected value: 1969-12)
+Pass	valueAsNumber getter on type week (actual value: , expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type week (actual value: 0000-W50, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type week (actual value: 2019-W00, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type week (actual value: 2019-W60, expected valueAsNumber: NaN)
+Fail	valueAsNumber getter on type week (actual value: 2019-W50, expected valueAsNumber: 1575849600000)
+Fail	valueAsNumber getter on type week (actual value: 1969-W20, expected valueAsNumber: -20217600000)
+Fail	valueAsNumber setter on type week (actual valueAsNumber: 0, expected value: 1970-W01)
+Fail	valueAsNumber setter on type week (actual valueAsNumber: 1575849600000, expected value: 2019-W50)
+Fail	valueAsNumber setter on type week (actual valueAsNumber: -20217600000, expected value: 1969-W20)
+Pass	valueAsNumber getter on type time (actual value: , expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type time (actual value: 24:00, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type time (actual value: 00:60, expected valueAsNumber: NaN)
+Fail	valueAsNumber getter on type time (actual value: 00:00, expected valueAsNumber: 0)
+Fail	valueAsNumber getter on type time (actual value: 12:00, expected valueAsNumber: 43200000)
+Fail	valueAsNumber getter on type time (actual value: 23:59, expected valueAsNumber: 86340000)
+Fail	valueAsNumber setter on type time (actual valueAsNumber: 0, expected value: 00:00)
+Fail	valueAsNumber setter on type time (actual valueAsNumber: 43200000, expected value: 12:00)
+Fail	valueAsNumber setter on type time (actual valueAsNumber: 86340000, expected value: 23:59)
+Pass	valueAsNumber getter on type datetime-local (actual value: , expected valueAsNumber: NaN)
+Fail	valueAsNumber getter on type datetime-local (actual value: 2019-12-10T00:00, expected valueAsNumber: 1575936000000)
+Fail	valueAsNumber getter on type datetime-local (actual value: 2019-12-10T12:00, expected valueAsNumber: 1575979200000)
+Fail	valueAsNumber setter on type datetime-local (actual valueAsNumber: 1575936000000, expected value: 2019-12-10T00:00)
+Fail	valueAsNumber setter on type datetime-local (actual valueAsNumber: 1575979200000, expected value: 2019-12-10T12:00)
+Pass	valueAsNumber getter on type number (actual value: , expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type number (actual value: 123, expected valueAsNumber: 123)
+Pass	valueAsNumber getter on type number (actual value: 123.456, expected valueAsNumber: 123.456)
+Pass	valueAsNumber getter on type number (actual value: 1e3, expected valueAsNumber: 1000)
+Pass	valueAsNumber getter on type number (actual value: 1e, expected valueAsNumber: NaN)
+Pass	valueAsNumber getter on type number (actual value: -123, expected valueAsNumber: -123)
+Pass	valueAsNumber setter on type number (actual valueAsNumber: 123, expected value: 123)
+Pass	valueAsNumber setter on type number (actual valueAsNumber: 123.456, expected value: 123.456)
+Pass	valueAsNumber setter on type number (actual valueAsNumber: 1000, expected value: 1000)
+Pass	valueAsNumber setter on type number (actual valueAsNumber: -123, expected value: -123)
+Pass	valueAsNumber getter on type range (actual value: , expected valueAsNumber: 50)
+Pass	valueAsNumber getter on type range (actual value: 0, expected valueAsNumber: 0)
+Pass	valueAsNumber getter on type range (actual value: 50, expected valueAsNumber: 50)
+Pass	valueAsNumber getter on type range (actual value: 100, expected valueAsNumber: 100)
+Fail	valueAsNumber getter on type range (actual value: -10, expected valueAsNumber: 0)
+Fail	valueAsNumber getter on type range (actual value: 110, expected valueAsNumber: 100)
+Pass	valueAsNumber setter on type range (actual valueAsNumber: 0, expected value: 0)
+Pass	valueAsNumber setter on type range (actual valueAsNumber: 50, expected value: 50)
+Pass	valueAsNumber setter on type range (actual valueAsNumber: 100, expected value: 100)
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-input-element/input-valueasnumber.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-input-element/input-valueasnumber.html
new file mode 100644
index 00000000000..49399351256
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-input-element/input-valueasnumber.html
@@ -0,0 +1,157 @@
+<!DOCTYPE HTML>
+<meta charset="utf-8">
+<html>
+ <head>
+  <title>HTMLInputElement valueAsNumber</title>
+  <link rel="author" title="pmdartus" href="mailto:dartus.pierremarie@gmail.com">
+  <link rel=help href="https://html.spec.whatwg.org/#dom-input-valueasnumber">
+
+  <script src="../../../../resources/testharness.js"></script>
+  <script src="../../../../resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <h3>input_valueAsNumber</h3>
+  <hr>
+  <div id="log"></div>
+
+  <input id="input_date" type="date" />
+  <input id="input_month" type="month" />
+  <input id="input_week" type="week" />
+  <input id="input_time" type="time" />
+  <input id="input_datetime-local" type="datetime-local" />
+  <input id="input_number" type="number" />
+  <input id="input_range" type="range" min="0" max="100" />
+
+  <script>
+   "use strict";
+
+   function testValueAsNumberGetter(type, element, cases) {
+     for (const [value, expectedValueAsNumber] of cases) {
+       test(
+         () => {
+           element.value = value;
+           assert_equals(element.valueAsNumber, expectedValueAsNumber);
+         },
+         `valueAsNumber getter on type ${type} (actual value: ${value}, ` +
+         `expected valueAsNumber: ${expectedValueAsNumber})`
+       );
+     }
+   }
+
+   function testValueAsNumberSetter(type, element, cases) {
+     for (const [valueAsNumber, expectedValue] of cases) {
+       test(
+         () => {
+           element.valueAsNumber = valueAsNumber;
+           assert_equals(element.value, expectedValue);
+         },
+         `valueAsNumber setter on type ${type} (actual valueAsNumber: ${valueAsNumber}, ` +
+         `expected value: ${expectedValue})`
+       );
+     }
+   }
+
+   const dateInput = document.getElementById("input_date");
+   testValueAsNumberGetter("date", dateInput, [
+     ["", NaN],
+     ["0000-12-10", NaN],
+     ["2019-00-12", NaN],
+     ["2019-12-00", NaN],
+     ["2019-13-10", NaN],
+     ["2019-02-29", NaN],
+     ["2019-12-10", 1575936000000],
+     ["2016-02-29", 1456704000000] // Leap year
+   ]);
+   testValueAsNumberSetter("date", dateInput, [
+     [0, "1970-01-01"],
+     [1575936000000, "2019-12-10"],
+     [1456704000000, "2016-02-29"] // Leap year
+   ]);
+
+   const monthInput = document.getElementById("input_month");
+   testValueAsNumberGetter("month", monthInput, [
+     ["", NaN],
+     ["0000-12", NaN],
+     ["2019-00", NaN],
+     ["2019-12", 599],
+     ["1969-12", -1],
+   ]);
+   testValueAsNumberSetter("month", monthInput, [
+     [599, "2019-12"],
+     [-1, "1969-12"],
+   ]);
+
+   const weekInput = document.getElementById("input_week");
+   testValueAsNumberGetter("week", weekInput, [
+     ["", NaN],
+     ["0000-W50", NaN],
+     ["2019-W00", NaN],
+     ["2019-W60", NaN],
+     ["2019-W50", 1575849600000],
+     ["1969-W20", -20217600000],
+   ]);
+   testValueAsNumberSetter("week", weekInput, [
+     [0, "1970-W01"],
+     [1575849600000, "2019-W50"],
+     [-20217600000, "1969-W20"],
+   ]);
+
+   const timeInput = document.getElementById("input_time");
+   testValueAsNumberGetter("time", timeInput, [
+     ["", NaN],
+     ["24:00", NaN],
+     ["00:60", NaN],
+     ["00:00", 0],
+     ["12:00", 12 * 3600 * 1000],
+     ["23:59", ((23 * 3600) + (59 * 60)) * 1000]
+   ]);
+   testValueAsNumberSetter("time", timeInput, [
+     [0, "00:00"],
+     [12 * 3600 * 1000, "12:00"],
+     [((23 * 3600) + (59 * 60)) * 1000, "23:59"]
+   ]);
+
+   const dateTimeLocalInput = document.getElementById("input_datetime-local");
+   testValueAsNumberGetter("datetime-local", dateTimeLocalInput, [
+     ["", NaN],
+     ["2019-12-10T00:00", 1575936000000],
+     ["2019-12-10T12:00", 1575979200000]
+   ]);
+   testValueAsNumberSetter("datetime-local", dateTimeLocalInput, [
+     [1575936000000, "2019-12-10T00:00"],
+     [1575979200000, "2019-12-10T12:00"]
+   ]);
+
+   const numberInput = document.getElementById("input_number");
+   testValueAsNumberGetter("number", numberInput, [
+     ["", NaN],
+     ["123", 123],
+     ["123.456", 123.456],
+     ["1e3", 1000],
+     ["1e", NaN],
+     ["-123", -123]
+   ]);
+   testValueAsNumberSetter("number", numberInput, [
+     [123, "123"],
+     [123.456, "123.456"],
+     [1e3, "1000"],
+     [-123, "-123"]
+   ]);
+
+   const rangeInput = document.getElementById("input_range");
+   testValueAsNumberGetter("range", rangeInput, [
+     ["", 50],
+     ["0", 0],
+     ["50", 50],
+     ["100", 100],
+     ["-10", 0], // Realign to the min
+     ["110", 100] // Realign to the max
+   ]);
+   testValueAsNumberSetter("range", rangeInput, [
+     [0, "0"],
+     [50, "50"],
+     [100, "100"]
+   ]);
+  </script>
+ </body>
+</html>