HTML | DOM Input Date required Property
Last Updated :
31 Aug, 2022
The Input Date required property is used for setting or returning whether a date field must be filled out before submitting a form.
The HTML required attribute is used to reflect the Input Date required property.
Syntax:
- For returning the required property:
dateObject.required
- For setting the required property:
dateObject.required = true|false
Property Value:
- true|false : It is used to specify whether a date field should be a required part of a form submission or not. It is false by default.
Return Values: It returns a Boolean value which represents that the Input date field is required or not.
Below program illustrates the Date required property :
Example 1: Finding out if a date field must be filled out before submitting a form or not.
html
<!DOCTYPE html>
< html >
< head >
< title >Input Date required Property in HTML</ title >
< style >
h1 {
color: green;
}
h2 {
font-family: Impact;
}
body {
text-align: center;
}
</ style >
</ head >
< body >
< h1 >GeeksforGeeks</ h1 >
< h2 >Input Date required Property</ h2 >
< br >
< form action = "/initials.php" >
Date of Birth:
< input type = "date" id = "Test_Date" name = "DOB" required>
< input type = "submit" >
</ form >
< p >To find out if the date field must be filled out
before submitting the form, double-click the "Check" button.</ p >
< button ondblclick = "My_Date()" >Check</ button >
< p id = "test" ></ p >
< script >
function My_Date() {
var d = document.getElementById("Test_Date").required;
document.getElementById("test").innerHTML = d;
}
</ script >
</ body >
</ html >
|
Output:
After clicking the button:
Example 2: Below code set the date required property.
HTML
<!DOCTYPE html>
< html >
< head >
< title >Input Date required Property in HTML</ title >
< style >
h1 {
color: green;
}
h2 {
font-family: Impact;
}
body {
text-align: center;
}
</ style >
</ head >
< body >
< h1 >GeeksforGeeks</ h1 >
< h2 >Input Date required Property</ h2 >
< br >
< form action = "/initials.php" >
Date of Birth:
< input type = "date" id = "Test_Date" name = "DOB" required>
< input type = "submit" >
</ form >
< p >To set the date required propertydoutle-click the "set" button.</ p >
< button ondblclick = "My_Date()" >Set</ button >
< p id = "test" ></ p >
< script >
function My_Date() {
var d = document.getElementById("Test_Date").required = "false";
document.getElementById("test").innerHTML = d;
}
</ script >
</ body >
</ html >
|
Output:
After clicking the button:
Supported Web Browsers:
- Apple Safari 14.1
- Edge 12
- Firefox 57
- Google Chrome 20
- Opera 11
Like Article
Suggest improvement
Share your thoughts in the comments
Please Login to comment...