HTML DOM Option defaultSelected Property


The HTML DOM option defaultSelected property returns the default value of option element in an HTML document.

Syntax

Following is the syntax −

object.defualtSelected

Example

Let us see an example of defaultSelected property −

 Live Demo

<!DOCTYPE html>
<html>
<head>
<style>
   html{
      height:100%;
   }
   body{
      text-align:center;
      color:#fff;
      background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%) center/cover no-repeat;
      height:100%;
   }
   p{
      font-weight:700;
      font-size:1.2rem;
   }
   .drop-down{
      width:35%;
      border:2px solid #fff;
      font-weight:bold;
      padding:8px;
   }
   .btn{
      background:#0197F6;
      border:none;
      height:2rem;
      border-radius:2px;
      width:35%;
      margin:2rem auto;
      display:block;
      color:#fff;
      outline:none;
      cursor:pointer;
   }
   .show{
      font-size:1.5rem;
      font-weight:bold;
   }
</style>
</head>
<body>
<h1>DOM Option defaultSelected Demo</h1>
<p>Hi, Select your favourite subject:</p>
<select class='drop-down'>
<option>Physics</option>
<option selected>Maths</option>
<option>Chemistry</option>
<option>English</option>
</select>
<button onclick="showValue()" class="btn">Show defaultSelected Value</button>
<div class="show"></div>
<script>
   function showValue() {
      var dropDown = document.querySelector(".drop-down");
      var msg = document.querySelector(".show").innerHTML="Value of defaultSelected is " +
dropDown[dropDown.selectedIndex].defaultSelected;
   }
</script>
</body>
</html>

Output

This will produce the following output −

Click on “blue” button to check the value of defaultSelected attribute for all options present in the drop-down list.


Updated on: 30-Jul-2019

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