HTML | DOM Input Time required Property

Last Updated : 29 Aug, 2022

The DOM Input Time required Property in HTML DOM is used to set or return whether Input Time Field should be filled or not when submitting the form. This property is used to reflect the HTML required attribute.

Syntax:

It returns the Input Time required property.

timeObject.required

It is used to set the Input Time required property.

timeObject.required = true|false

Property Values:

true: It specifies that the Time field must be filled out before submitting the form.
false: It is the default value. It specifies that the Time field must not be filled out before submitting the form.

Return Value: It returns a Boolean value which represents that the Time Field must be filled or not before submitting the form. Example-1: This example returns the Input Time required property.

html

<!DOCTYPE html>
<html>
 
<head>
    <title>
        DOM Input Time required Property
    </title>
</head>
 
<body>
    <center>
        <h1 style="color:green;"> 
                GeeksForGeeks 
            </h1>
 
        <h2>
          DOM Input Time required Property
      </h2>
 
        <label for="uname" 
               style="color:green">
            <b>Enter time</b>
        </label>
 
        <input type="time" 
               id="gfg"
               placeholder="Enter time" 
               step="5" 
               required>
 
        <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").required;
               
                document.getElementById(
                  "GFG").innerHTML = link;
            }
        </script>
    </center>
</body>
 
</html>

Output:

Before Clicking On button:

After Clicking On Button:

Example-2: This Example illustrates how to set Input Time required Property.

html

<!DOCTYPE html>
<html>
 
<head>
    <title>
        DOM Input Time required Property
    </title>
</head>
 
<body>
    <center>
        <h1 style="color:green;"> 
                GeeksForGeeks 
            </h1>
 
        <h2>
          DOM Input Time required Property
      </h2>
 
        <label for="uname"
               style="color:green">
            <b>Enter time</b>
        </label>
 
        <input type="time"
               id="gfg"
               placeholder="Enter time" 
               step="5" 
               required>
 
        <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").required = false;
               
                document.getElementById(
                  "GFG").innerHTML = link;
            }
        </script>
    </center>
</body>
 
</html>