HTML DOM Input Number form Property

HTML Web Development Front End Technology

The HTML DOM input number form property returns the reference of the form that contains the number input field in the HTML document.

Syntax

Following is the syntax −

object.form

Example

Let us see an example of HTML DOM input number form property −

Live Demo

<!DOCTYPE html>
<html>
<head>
<style>
   body{
      text-align:center;
      background-color:#1b203a;
      color:#fff;
   }
   form{
      margin:2.5rem auto;
      border:1px solid #fff;
      padding:2rem;
   }
   button{
      background-color:#db133a;
      border:none;
      cursor:pointer;
      padding:8px 16px;
      color:#fff;
      border-radius:5px;
      font-size:1.05rem;
      outline:none;
   }
   input{
      border:none;
      background-color:#ffffff4a;
      height:1.2rem;
      padding:8px;
      color:#fff;
      font-weight:bold;
      font-size:1rem;
   }
   .show{
      font-weight:bold;
      font-size:1.4rem;
   }
</style>
</head>
<body>
<h1>form Property Demo</h1>
<form id="Form 1">
<legend>Form 1</legend>
<input type="number" class="numberInput" value="12345300">
</form>
<button onclick="identify()">Identify Number Input Field</button>
<p class="show"></p>
<script>
   function identify() {
      var formId = document.querySelector(".numberInput").form.id;
      document.querySelector(".show").innerHTML = "Hi! I'm from " + formId;
   }
</script>
</body>
</html>

Output

This will produce the following output −

Click on “Identify Number Input Field” button to identify the form which contain the input number field.

Sharon Christine

Published on 18-Jul-2019 10:38:39

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