tryjsref_form_elements 在线代码实例

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<!DOCTYPE html>
<html>
<body>
<form id="frm1" action="demo-form">
  First name: <input type="text" name="fname" value="Donald"><br>
  Last name: <input type="text" name="lname" value="Duck"><br>
  <input type="submit" value="Submit">
</form> 
<p>Return the value of each element in the form:</p>
<script>
var x=document.getElementById("frm1");
for (var i=0;i<x.length;i++)
  {
  document.write(x.elements[i].value);
  document.write("<br>");
  }
</script>
</body>
</html>
 
 
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运行结果
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