<form?oninput="totalPrice.value=parseInt(price.value)*parseInt(number.value)">
????<input?type="text"?id="price"?value="5000">*
????<input?type="number"?id="number"?value="1">=
????<output?name="totalPrice"?for="price?number"></output>
</form>
在瀏覽器無(wú)法顯示結(jié)果。
慕九州7566324
2018-04-02 16:49:27