HTML DOM Input Week required Property

The HTML DOM Input Week required property determines whether Input Week is compulsory to set or not.

Syntax

Following is the syntax −

Returning boolean value - true/false

inputWeekObject.required

Setting required to booleanValue

inputWeekObject.required = booleanValue

Boolean Values

Here, “booleanValue” can be the following −

booleanValue	Details
true	It is compulsory to set the week field to submit form.
false	It is the default value and to set week field is not compulsory.

Example

Let us see an example for Input Week required property −

<!DOCTYPE html>
<html>
<head>
<title>Input Week required</title>
<style>
   form {
      width:70%;
      margin: 0 auto;
      text-align: center;
   }
   * {
      padding: 2px;
      margin:5px;
   }
   input[type="button"] {
      border-radius: 10px;
   }
</style>
</head>
<body>
<form>
<fieldset>
<legend>Week-required</legend>
<label for="WeekSelect">Examination Week:
<input type="week" id="WeekSelect" required>
</label>
<input type="button" onclick="confirmWeek()" value="Confirm Week">
<div id="divDisplay"></div>
</fieldset>
</form>
<script>
   var divDisplay = document.getElementById("divDisplay");
   var inputWeek = document.getElementById("WeekSelect");
   divDisplay.textContent = 'Week Input Required: '+inputWeek.required;
   function confirmWeek() {
      if(inputWeek.value === '')
         divDisplay.textContent += ', Choose a valid Week. ';
      else
         divDisplay.textContent = 'Week Confirmed: '+inputWeek.required;
   }
</script>
</body>
</html>

Output

This will produce the following output −

Clicking ‘Confirm Week’ button −

HTML DOM Input Week required Property

After clicking ‘Confirm Week’ button with value of week field set −

HTML DOM Input Week required Property