HTML DOM Input Date required Property

HTML Web Development Front End Technology

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

Syntax

Following is the syntax −

Returning boolean value - true/false

inputDateObject.required

Setting required to booleanValue

inputDateObject.required = booleanValue

Boolean Values

Here, “booleanValue” can be the following −

booleanValue	Details
true	It defines that it is compulsory to set the date field to submit form.
false	It is the default value and to set date field is not compulsory.

Example

Let us see an example of Input Date required property −

Live Demo

<!DOCTYPE html>
<html>
<head>
<title>Input Date required</title>
</head>
<body>
<form>
<div>
Name: <input type="text" name="fullName">
</div>
<div>
Date of Birth: <input type="date" id="dateSelect" required>
</div>
</form>
<button onclick="submit()">Confirm</button>
<div id="divDisplay"></div>
<script>
   var divDisplay = document.getElementById("divDisplay");
   var inputDate = document.getElementById("dateSelect");
   function submit() {
      if(inputDate.required==true && inputDate.value==='')
         divDisplay.textContent = 'DOB required';
      else
         divDisplay.textContent = 'Details Received';
   }
</script>
</body>
</html>