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The document.getElementsByName() method returns all the element of specified name.

The syntax of the getElementsByName() method is given below:

  1. document.getElementsByName(“name”)

Here, name is required.

Example of document.getElementsByName() method

In this example, we going to count total number of genders. Here, we are using getElementsByName() method to get all the genders.

  1. <script type=“text/javascript”>
  2. function totalelements()
  3. {
  4. var allgenders=document.getElementsByName(“gender”);
  5. alert(“Total Genders:”+allgenders.length);
  6. }
  7. </script>
  8. <form>
  9. Male:<input type=“radio” name=“gender” value=“male”>
  10. Female:<input type=“radio” name=“gender” value=“female”>
  11. <input type=“button” onclick=“totalelements()” value=“Total Genders”>
  12. </form>

Output of the above example