Get All Options In Select Tag using JavaScript

In this tutorial we will see how to Get All Options In Select Tag using JavaScript. The JavaScript .text and .length property are used for this.

HTML Code

HTML Code is given below, This code contains HTML Form with Select Tag in it and a html button element.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Get All Options In Select Tag using JavaScript</title>
</head>
<body>  
<form>
  <select id="select">
   <option value="html">HTML</option>
   <option value="css">CSS</option>
   <option value="javascript">JavaScript</option>
  </select>
</form>
<br>    
<button onclick="getOption()">Display All Options</button>
</body>
</html>

JavaScript .text property

The JavaScript .text property is used to read the text of the html element. In this example it's the text of the option tag inside the select tag.

JavaScript .text property is supported by all major browsers.

JavaScript .length property

The JavaScript .length property returns the length of the string.

The JavaScript .length property is supported by all major browsers.

JavaScript Code

In this example .getElementById method is used to target or select the select tag. After that .length property is used to count the number of options inside the select tag. For this a for loop is used. .text property is used to get the text of all options one by one.

In the end the output is displayed using javascript alert method.

Take a look at the code given below.

<script>
 function getOption()
{
  var x = document.getElementById('select');
  var i;
  var output = 'All Languages:';    
  for (i = 0; i < x.options.length; i++) {
   output = output + "\n" + x.options[i].text;
  }
  alert(output);
}
</script>

Demo

Video Tutorial

Watch video tutorial on how to Get All Options In Select Tag using JavaScript.

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