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

The DOM Input Search readOnly Property is used to set or return whether a search Field should be read-only or not. It means that a user can not modify or changes the content already present in a particular Element (However, a user can tab to it, highlight it, and copy the text from it) whereas a JavaScript can be used to change the read-only value and make the input field editable.

Syntax :

  • It is used to return the readOnly property
    searchObject.readOnly
  • It is used to Set the readOnly property.
    searchObject.readOnly = true|false

Property Values:

  • true: It defines that search field is read only.
  • false: It defines that search field is not read only.

Return Value: It returns a boolean value which represent the search field is read only or not.

Example-1:This example illustrates how to return the property.






<!DOCTYPE html>
<html>
  
<head>
    <title>
      Input Search readOnly Property
  </title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Input Search readOnly Property</h2>
    <form id="myGeeks">
        <input type="Search"
               id="test"
               placeholder="Type to search.." 
               readOnly>
    </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").readOnly;
            
            document.getElementById(
                "check").innerHTML = s;
        }
    </script>
  
</body>
  
</html>

Output:
Before Clicking On Button:

After Clicking On Button:

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




<!DOCTYPE html>
<html>
  
<head>
    <title>
      Input Search readOnly Property
  </title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Input Search readOnly Property</h2>
    <form id="myGeeks">
        <input type="Search" 
               id="test" 
               placeholder="Type to search.." 
               readOnly>
    </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").readOnly = false;
            
            document.getElementById(
                "check").innerHTML = s;
        }
    </script>
  
</body>
  
</html>

Output :
Before Clicking On Button:

After Clicking On Button:

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

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



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