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<!DOCTYPE html> <html> <body> <h1>button formnovalidate 属性</h1> <form action="/action_page.php" method="get"> <label for="email">输入您的 email 邮箱：</label> <input type="email" id="email" name="email"><br><br> <button type="submit">提交</button> <button type="submit" formnovalidate>未经验证提交</button> </form> <p><strong>注意：</strong> Safari 不支持按钮标签的 formnovalidate 属性。</p> </body> </html>