HTML | DOM Input Week required Property

Last Updated : 29 Aug, 2022

The Input Week required Property in HTML DOM is used to set or return whether Input Week 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 Week required property.

weekObject.required

It is used to set the Input Week required property.

weekObject.required = true|false

Property Values:

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

Return Value: It returns a Boolean value which represents that the week Field must be filled or not before submitting the form.

Example-1: This example returns the Input Week required property.

HTML

<!DOCTYPE html> 
<html> 
<head> 
    <title> 
        HTML DOM Input Week required Property
    </title> 
</head> 
<body style="text-align:center;"> 
    <h1>GeeksForGeeks</h1> 
    <h2>DOM Input Week required Property</h2> 
    <form id="myGeeks">
        <input type="week" id="week_id" name="geeks" required> 
    </form>
    <br>
    <button onclick="myGeeks()">Click Here!</button> 
    <p id="GFG" style="font-size:20px;"></p> 
     
    <!-- Script to return the required Property-->
    <script> 
        function myGeeks() { 
            var gfg = document.getElementById("week_id").required;
            document.getElementById("GFG").innerHTML = gfg;
        } 
    </script> 
</body> 
</html>

Output:

Before clicking on the button:

After clicking on the button:

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

HTML

<!DOCTYPE html> 
<html> 
<head> 
    <title> 
        HTML DOM Input Week required Property
    </title> 
</head> 
<body style="text-align:center;"> 
    <h1>GeeksForGeeks</h1> 
    <h2>DOM Input Week required Property</h2> 
    <form id="myGeeks">
        <input type="week" id="week_id" name="geeks" required> 
    </form>
    <br>
    <button onclick="myGeeks()">Click Here!</button> 
    <p id="GFG" style="font-size:20px;"></p> 
     
    <!-- Script to set the required Property-->
    <script> 
        function myGeeks() { 
            var gfg = document.getElementById("week_id");
            gfg.required = false;
            var g =    gfg.required;        
            document.getElementById("GFG").innerHTML = 
                        "The value is changed from true to " + g;
        } 
    </script> 
</body> 
</html>

Output:

Before clicking on the button:

After clicking on the button:

Supported Browsers: The browser supported by DOM input Week required Property are listed below:

Google Chrome 20+
Edge 12+
Opera 11+

Note: In Firefox, the input type=”week” element does not show any date field or calendar.

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