HTML DOM Input Month required Property

The HTML DOM input month required property returns and modify whether the input month field must be filled out before submitting the form.

Syntax

Following is the syntax −

1. Returning required

object.required

2. Modifying required

object.required = true | false

Example

Let us see an example of HTML DOM input month required property −

<!DOCTYPE html>
<html>
<head>
<style>
   html{
      height:100%;
   }
   body{
      text-align:center;
      color:#fff;
      background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%)
      center/cover no-repeat;
      height:100%;
   }
   p{
      font-weight:700;
      font-size:1.1rem;
   }
   input{
      display:block;
      width:35%;
      border:2px solid #fff;
      background-color:transparent;
      color:#fff;
      font-weight:bold;
      padding:8px;
      margin:1rem auto;
   }
   .btn{
      background:#0197F6;
      border:none;
      height:2rem;
      border-radius:2px;
      width:35%;
      margin:2rem auto;
      display:block;
      color:#fff;
      outline:none;
      cursor:pointer;
   }
   .show{
      font-size:1.5rem;
      color:#db133a;
      font-weight:bold;
   }
</style>
</head>
<body>
<h1>DOM Input month required property Demo</h1>
<form action="">
<p>Hi, Select your month of birth?</p>
<input type="month" class="monthInput" required>
<input type="submit" onclick="checkInput()">
</form>
<div class="show"></div>
<script>
   function checkInput() {
      var monthInput = document.querySelector(".monthInput");
      if(monthInput.value === ''){
         document.querySelector(".show").innerHTML="Please Select";
      }
   }
</script>
</body>
</html>

Output

This will produce the following output −

HTML DOM Input Month required Property

Now click on “Submit” button without selecting any month to see how required property works.

HTML DOM Input Month required Property