HTML | DOM Input Week value Property

The Input Week value property is used for setting or returning the value of the value attribute of a week field. The Input Week value attribute can be used for specifying a week and year for the Week field.

Syntax:

For returning the value property:
```
weekObject.value
```
For setting the value property:
```
weekObject.value = YYYY-WWW
```

Property Value:

YYYY-WWW: This values states the year and week. Here YYYY is the year i.e. 2019 and WWW is the week with starting letter W i.e. W32 .

Return Value: It returns a string which represents the value for a week field.

Below program illustrates the Week value property:
Example-1: This example returns the Input Week value property.

<!DOCTYPE html>  
<html>  
  
<head>  
    <title>  
        HTML DOM Input Week value Property 
    </title>  
</head>  
  
<body style="text-align:center;">  
  
    <h1>GeeksForGeeks</h1>  
  
    <h2>DOM Input Week value Property</h2>  
            <form id="myGeeks"> 
    <input type="week" id="week_id" name="geeks" value="2019-W10">  
                 </form> 
                 <br> 
    <button onclick="myGeeks()">Click Here!</button>  
      
    <p id="GFG" style="font-size:20px;"></p>  
      
    <!-- Script to return the value Property-->
    <script>  
        function myGeeks() {  
            var gfg = document.getElementById("week_id").value; 
            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.

<!DOCTYPE html>  
<html>  
  
<head>  
    <title>  
        HTML DOM Input Week value Property 
    </title>  
</head>  
  
<body style="text-align:center;">  
  
    <h1>GeeksForGeeks</h1>  
  
    <h2>DOM Input Week value Property</h2>  
            <form id="myGeeks"> 
    <input type="week" id="week_id" name="geeks" >  
                </form> 
                <br> 
    <button onclick="myGeeks()">Click Here!</button>  
      
    <p id="GFG" style="font-size:20px;"></p>  
      
    <!-- Script to set the value Property-->
    <script>  
        function myGeeks() {  
            var gfg = document.getElementById("week_id"); 
            gfg.value = "2019-W09"; 
            var g =    gfg.value;         
            document.getElementById("GFG").innerHTML = g; 
        }  
    </script>  
</body>  
  
</html>                     

Output:
Before clicking on the button:

After clicking on the button:

Supported Browsers: The browser supported by DOM Input Week value Property are listed below:

Google Chrome
Internet Explorer 10.0 +
Firefox
Opera
Safari

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

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