Output test
by operatino
HTML
<form onsubmit="return false" oninput="level.value = flevel.valueAsNumber">
<label for="flying">Flying Skill Level</label>
<input name="flevel" id="flying" type="range" min="0" max="100" value="0">
<output for="flying" name="level">0</output>/100
</form>
<form onsubmit="return false" oninput="document.getElementById('o').innerHTML = parseFloat(document.getElementById('a').value) + parseFloat(document.getElementById('b').value)">
<input name="a" id="a" type="number" step="any"> +
<input name="b" id="b" type="number" step="any"> =
<output name="o" id="o" for="a b"></output>
</form>