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HTML DOM Input FileUpload form Property
The HTML DOM input FileUpload form property returns the reference of the form which enclose the file upload input button.
Syntax
Following is the syntax −
object.form
Example
Let us see an example of input FileUpload form property −
<!DOCTYPE html>
<html>
<head>
<style>
body{
text-align:center;
background-color:#363946;
color:#fff;
}
form{
margin:2.5rem auto;
}
button{
background-color:#db133a;
border:none;
cursor:pointer;
padding:8px 16px;
color:#fff;
border-radius:5px;
font-size:1.05rem;
}
.show{
font-weight:bold;
font-size:1.4rem;
}
</style>
</head>
<body>
<h1>form Property Demo</h1>
<form id="Form 1">
<fieldset>
<legend>Form 1</legend>
<input type="file" class="fileUploadBtn">
</fieldset>
</form>
<button onclick="identify()">Identify File Upload button Form</button>
<p class="show"></p>
<script>
function identify() {
var formId = document.querySelector(".fileUploadBtn").form.id;
document.querySelector(".show").innerHTML = "Hi! I'm from " + formId;
}
</script>
</body>
</html>Output
This will produce the following output −
Click on “Identify File Upload Button Form” button to identify the form which contain the file upload button.
Updated on: 30-Jul-2019
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