HTML DOM Input Checkbox autofocus Property


The HTML DOM Input Checkbox autofocus property returns and modify the value of autofocus attribute of an input HTML element with type=”checkbox”.

Syntax

Following is the syntax −

1. Returning autofocus

object.autofocus

2. Modifying autofocus

object.autofocus = true|false

Example

Let us see an example of autofocus property −

 Live Demo

<!DOCTYPE html>
<html>
<head>
<title<HTML DOM autofocus property</title<
<style>
   body{
      text-align:center;
   }
   p{
      font-size:1.5rem;
      color:#ff8741;
   }
   input{
      width:30px;
      height:30px;
      outline:2px solid #db133a;
   }
   button{
      background-color:#db133a;
      color:#fff;
      padding:8px;
      border:none;
      width:120px;
      margin:0.5rem;
      border-radius:50px;
      outline:none;
   }
</style>
</head>
<body>
<h1>autofocus Property Example</h1>
<p>Do you need help?</p>
<input type="checkbox" autofocus>
<br>
<button onclick="yes()">Yes</button>
<button onclick="no()">No</button>
<script>
   function yes() {
      document.querySelector("input").checked = true;
   }
   function no() {
      document.querySelector("input").checked = false;
   }
</script>
</body>
</html>

Output

This will produce the following output −

Click on “Yes/No” button to check and uncheck the checkbox but as you can see the checkbox already gets autofocus when page load with red outline.



raja
Published on 16-Jul-2019 13:02:37
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