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<!DOCTYPE html> <html> <body> <input type="submit" name="submit1" id="mySubmit"> <p>请点击“试一试”按钮，显示提交按钮 name 属性的值。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("mySubmit").name; document.getElementById("demo").innerHTML = x; } </script> </body> </html>