Display the dropdown’s (select) selected value on console in JavaScript?

JavascriptWeb DevelopmentObject Oriented Programming

Let’s say the following is our dropdown (select) −

<select onchange="selectedSubjectName()" id="subjectName">
   <option>Javascript</option>
   <option>MySQL</option>
   <option>MongoDB</option>
   <option>Java</option>
</select>

Following is the code to display the selected value on Console −

Example

 Live Demo

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initialscale=1.0">
<title>Document</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/fontawesome/4.7.0/css/font-awesome.min.css">
</head>
<body>
<select onchange="selectedSubjectName()" id="subjectName">
<option>Javascript</option>
<option>MySQL</option>
<option>MongoDB</option>
<option>Java</option>
</select>
<script>
   function selectedSubjectName() {
      var subjectIdNode = document.getElementById('subjectName');
      var value =
      subjectIdNode.options[subjectIdNode.selectedIndex].text;
      console.log("The selected value=" + value);
   }
</script>
</body>
</html>

To run the above program, save the file name “anyName.html(index.html)” and right click on the file. Select the option “Open with Live Server” in VS Code editor.

Output

This will produce the following output −

Now, I am going to select Java. The snapshot is as follows −

After that I am going to select MongoDB. The snapshot is as follows −

raja
Published on 14-Sep-2020 12:04:30
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