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HTML | DOM Input Search defaultValue Property
  • Difficulty Level : Basic
  • Last Updated : 12 Mar, 2019

The DOM Input Search defaultValue Property in HTML DOM is used to set or return the default value of the search Field. This property is used to reflect the HTML value attribute. The main difference between the default value and value is that the default value indicates the default value and the value contains the current value after making some changes. This property is useful to find out whether the search field has been changed or not.

Syntax:

  • It returns the defaultValue property.
    searchObject.defaultValue
  • It is used to set the defaultValue property.
    searchObject.defaultValue = value

Property Values: It contains a single property value which defines the default value for search field.

Return Value: It returns a string value which represents the default value of the search field.

Example-1: This example illustrates how to return Input search defaultValue property.






<!DOCTYPE html>
<html>
  
<head>
    <title>
      Input Search defaultValue Property
  </title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Input Search defaultValue Property</h2>
    <form id="myGeeks">
        <input type="Search" 
               id="test"
               name="myGeeks" 
               placeholder="Type to search.."
               value="GeeksForGeeks">
    </form>
    <br>
    <br>
    <button ondblclick="Access()">
      click here
    </button>
  
    <p id="check" 
       style="font-size:24px;color:green;">
  </p>
  
    <script>
        function Access() {
  
            // type="search" 
            var s = document.getElementById(
                "test").defaultValue;
            
            document.getElementById(
                "check").innerHTML = s;
        }
    </script>
  
</body>
  
</html>

Output:
Before Clicking On Button:

After Clicking On Button:

Example-2: This Example illustrate how to set the Property.




<!DOCTYPE html>
<html>
  
<head>
    <title>
      Input Search defaultValue Property
  </title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Input Search defaultValue Property</h2>
    <form id="myGeeks">
        <input type="Search"
               id="test"
               name="myGeeks"
               placeholder="Type to search.." 
               value="GeeksForGeeks">
    </form>
    <br>
    <br>
    <button ondblclick="Access()">
      click here
    </button>
  
    <p id="check" 
       style="font-size:24px;
              color:green;">
  </p>
  
    <script>
        function Access() {
  
            // type="search" 
            var s = document.getElementById(
                "test").defaultValue = "Hello Geeks";
            
            document.getElementById(
                "check").innerHTML = 
              "The defaultValue was changed to " + s; 
        }
    </script>
  
</body>
  
</html>

Output:

Before Clicking On Button :

After Clicking On Button:

Supported Browsers: The browser supported by DOM input search defaultValue Property are listed below:

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



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