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<!DOCTYPE html> <html> <body> <h2>output 元素</h2> <p>output 元素表示计算的结果。</p> <form action="/action_page.php" oninput="x.value=parseInt(a.value)+parseInt(b.value)"> 0 <input type="range" id="a" name="a" value="50"> 100 + <input type="number" id="b" name="b" value="50"> = <output name="x" for="a b"></output> <br><br> <input type="submit"> </form> <p><strong>注意：</strong>Edge 13 之前的版本不支持 output 元素。</p> </body> </html>