The DOM Anchor port Property in HTML DOM is used to set or return the port part of the href attribute value. It has a default value 80 or 443. If the port number is not specified in the URL them some browsers will return 0 or undefined.
Syntax:
Property Values: It contains the value i.e number which defines the port number of the URL.
Return Value: It returns a string value which represents the port number of the URL.
Example-1: This Example returns the port number of the URL.
<!DOCTYPE html>
< html >
< head >
< title >
HTML DOM Anchor port Property
</ title >
</ head >
< body >
< center >
< h1 >
GeeksForGeeks
</ h1 >
< h2 >
DOM Anchor port Property
</ h2 >
< p >
Welcome to < a href =
id = "GFG"
rel = "nofollow"
target = "_self" >
GeeksforGeeks
</ a >
</ p >
< button onclick = "myGeeks()" >
Submit
</ button >
< p id = "sudo"
style="color:green;
font-size:25px;">
</ p >
< script >
function myGeeks() {
var x =
document.getElementById(
"GFG").port;
document.getElementById(
"sudo").innerHTML = x;
}
</ script >
</ center >
</ body >
</ html >
|
Output:
Before Clicking On Button:

After Clicking On Button:

Example-2: This Example sets or change the port number of the URL.
<!DOCTYPE html>
< html >
< head >
< title >
HTML DOM Anchor port Property
</ title >
</ head >
< body >
< center >
< h1 >
GeeksForGeeks
</ h1 >
< h2 >
DOM Anchor port Property
</ h2 >
< p >Welcome to < a href =
id = "GFG"
rel = "nofollow"
target = "_self" >
GeeksforGeeks
</ a >
</ p >
< button onclick = "myGeeks()" >
Submit
</ button >
< p id = "sudo"
style="color:green;
font-size:25px;">
</ p >
< script >
function myGeeks() {
var x =
document.getElementById(
"GFG").port = "443";
document.getElementById(
"sudo").innerHTML =
"The port number was changed to " + x;
}
</ script > "
</ center >
</ body >
</ html >
|
Output:
Before Clicking On Button:

After Clicking On Button:

Supported Browsers: The browser supported by DOM Anchor Port property are listed below:
- Google Chrome
- Internet Explorer 10.0 +
- Firefox
- Opera
- Safari
Whether you're preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape,
GeeksforGeeks Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we've already empowered, and we're here to do the same for you. Don't miss out -
check it out now!