html5-output的用法

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>output的用法</title>
</head>
<body>
    <form action="" id="myform" oninput="sumnumber.value=parseInt(number1.value)+parseInt(number2.value)">
    <input type="number" name="number1">+
    <input type="number" name="number2">=

    <!--     <input type="number" id="number1">+
    <input type="number" id="number2">= -->
        <output name="sumnumber" for="number1 number2"></output>
    </form>
</body>
</html>

posted @ 2017-09-16 18:18  侯伟东  阅读(984)  评论(0)  编辑  收藏  举报