​x
 
<!DOCTYPE html>
<html>
<body>
​
<input type="button" id="myBtn" name="myname" value="My Button">
​
<p>单击下面的按钮可显示和/或更改上面输入按钮的 name 属性的值。</p>
​
<button onclick="display()">显示名称</button>
<button onclick="change()">修改名称</button>
​
<script>
function display() {
  var x = document.getElementById("myBtn").name;
  alert("The name of the input button is: " + x);
}
​
function change() {
  var x = document.getElementById("myBtn").name = "newButtonName";
  alert ("The name was changed to: " + x);
}
</script>
​
</body>
</html>
​