HTML | DOM Input Time readOnly Property

The DOM Input Time readOnly Property in HTML DOM is used to set or return whether the Time Field should be read-only or not. It means that a user can not modify or changes a 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.
    timeObject.readOnly
  • It is used to set the readOnly property.
    timeObject.readOnly = true|false

Property Values:

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

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

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

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<!DOCTYPE html>
<html>
  
<head>
    <title>
        DOM Input Time readOnly Property
    </title>
</head>
  
<body>
    <center>
        <h1 style="color:green;"
                GeeksForGeeks 
            </h1>
  
        <h2>
          DOM Input Time readOnly Property
      </h2>
  
        <label for="uname"
               style="color:green">
            <b>Enter time</b>
        </label>
  
        <input type="time" 
               id="gfg"
               placeholder="Enter time"
               readonly>
  
        <br>
        <br>
  
        <button type="button" 
                onclick="geeks()">
            Click
        </button>
  
        <p id="GFG"
           style="font-size:24px;
                  color:green;">
      </p>
  
        <script>
            function geeks() {
                
                var link = 
                    document.getElementById(
                      "gfg").value;
                
                document.getElementById(
                  "GFG").innerHTML = link;
            }
        </script>
    </center>
</body>
  
</html>

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Output:
Before Clicking On Button:

After Clicking On Button:

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

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<!DOCTYPE html>
<html>
  
<head>
    <title>
        DOM Input Time readOnly Property
    </title>
</head>
  
<body>
    <center>
        <h1 style="color:green;"
                GeeksForGeeks 
            </h1>
  
        <h2>
          DOM Input Time readOnly Property
      </h2>
  
        <label for="uname"
               style="color:green">
            <b>Enter time</b>
        </label>
  
        <input type="time" 
               id="gfg"
               placeholder="Enter time" 
               step="5"
               readonly>
  
        <br>
        <br>
  
        <button type="button" 
                onclick="geeks()">
            Click
        </button>
  
        <p id="GFG"
           style="font-size:24px;
                  color:green'">
      </p>
  
        <script>
            function geeks() {
                
                var link = 
                    document.getElementById(
                  "gfg").readOnly = "false";
                
                document.getElementById(
                  "GFG").innerHTML = link;
            }
        </script>
    </center>
</body>
  
</html>

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Output :

Before Clicking On Button :

After Clicking On Button:

Supported Browsers: The browser supported by DOM input Time readOnly property listed below:

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


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