The Input Email required property in HTML DOM is used to set or return whether Input Email Field should be filled or not when submitting the form. This property is used to reflect the HTML required attribute.
Syntax:
- It returns the Input Email required property.
emailObject.required
- It is used to set the Input Email required property.
emailObject.required = true|false
Property Values:
- true: It specifies that the email field must be filled out before submitting the form.
- false: It is the default value. It specifies that the email field must not be filled out before submitting the form.
Return Value: It returns a Boolean value which represents that the Email Field must be filled or not before submitting the form.
Example 1: This example illustrates how to return Input Email required property.
<!DOCTYPE html> <html>
<head>
<title>
HTML DOM Input Email required Property
</title>
</head>
<body style="text-align:center;">
<h1>GeeksforGeeks</h1>
<h2>
DOM Input Email required Property
</h2>
E-mail: <input type="email" id="email"
name="myGeeks" required>
<br><br>
<button onclick="myGeeks()">
Click Here!
</button>
<p id="GFG" style="font-size:20px;color:green;"></p>
<!-- Script to use Input Email required Property -->
<script>
function myGeeks() {
var em = document.getElementById("email").required;
document.getElementById("GFG").innerHTML = em;
}
</script>
</body>
</html>
|
Output:
Before clicking the Button:
After clicking the Button:
Example 2: This example illustrates that how to set Input Email required Property.
<!DOCTYPE html> <html>
<head>
<title>
HTML DOM Input Email required Property
</title>
</head>
<body style="text-align:center;">
<h1>GeeksforGeeks</h1>
<h2>
DOM Input Email required Property
</h2>
E-mail: <input type="email" id="email"
name="myGeeks" required>
<br><br>
<button onclick="myGeeks()">
Click Here!
</button>
<p id="GFG" style="font-size:20px;color:green;"></p>
<!-- Script to set Input Email required Property -->
<script>
function myGeeks() {
var em = document.getElementById("email").required
= false;
document.getElementById("GFG").innerHTML = em;
}
</script>
</body>
</html>
|
Output:
Before clicking on the Button:
After clicking on the Button:
Supported Browsers: The browser supported by DOM Input Email required Property are listed below:
- Google Chrome 5
- Edge 12
- Firefox
- Opera 11
- Safari