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HTML | DOM Input Range autofocus Property

  • Difficulty Level : Basic
  • Last Updated : 12 Mar, 2019

The DOM Input Range autofocus Property in HTML DOM is used to set or return whether the Input range Field should get focus or not when the page loads. It reflects the HTML autofocus attribute.

Syntax:

  • It returns the autofocus property.
    rangeObject.autofocus
  • It is used to set the autofocus property.
    rangeObject.autofocus = "true|false"

Property Values:

  • true: It sets the focus of range field.
  • false: It has the default value. It defines the range field does not get focus.

Return Value: It returns a boolean value which represents the range or slider control field gets autofocus or not.

Example-1: This example returns the Input range autofocus property.






<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML DOM Input range autofocus Property
    </title>
</head>
<style>
    #Geek_p {
        font-size: 30px;
        color: green;
    }
</style>
  
<body style="text-align:center;">
  
    <h1 style="color:green;"
            GeeksForGeeks 
        </h1>
  
    <h2>DOM Input Range autofocus property 
  </h2>
    <form id="geeks">
        <input name=G
               eek_range
               type="range"
               id="Geek_Range"
               value="90" 
               autofocus>
    </form>
    <br>
    <br>
    <button onclick="myGeeks()">
        Click Here
    </button>
    <p id="Geek_p">
  </p>
    <script>
        function myGeeks() {
            
            //Return autofoucs property.
            var x = 
            document.getElementById(
              "Geek_Range").autofocus;
            
            document.getElementById(
              "Geek_p").innerHTML = x;
        }
    </script>
</body>
  
</html>

Output:
Before Clicking On Button:

After Clicking On Button:

Example-2: This Example that illustrates how to set the autofocus Property.




<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML DOM Input range autofocus Property
    </title>
</head>
<style>
    #Geek_p {
        font-size: 30px;
        color: green;
    }
</style>
  
<body style="text-align:center;">
  
    <h1 style="color:green;"
            GeeksForGeeks 
        </h1>
  
    <h2>
      DOM Input Range autofocus property
  </h2>
    <form id="geeks">
        <input name=G 
               eek_range
               type="range" 
               id="Geek_Range" 
               value="90"
               autofocus>
    </form>
    <br>
    <br>
    <button onclick="myGeeks()">
        Click Here
    </button>
    <p id="Geek_p"></p>
    <script>
        function myGeeks() {
            
            // Set autofocus property.
            var x = 
             document.getElementById(
               "Geek_Range").autofocus = false;
            
            document.getElementById(
              "Geek_p").innerHTML = x;
        }
    </script>
</body>
  
</html>

Output :

Before Clicking On Buttton :

After Clicking On Button:

Supported Browsers: The browser supported by DOM input range autofocus Property are listed below:

  • Google Chrome
  • Internet Explorer 10.0 +
  • Firefox
  • Opera
  • Safari

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