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HTML | DOM Anchor port Property
  • Difficulty Level : Basic
  • Last Updated : 23 Oct, 2019

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:

  • It returns the port property.
    anchorObject.port
  • It is used to set the port property.
    anchorObject.port = number

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=
          "http://example.com:12345/gfg');" 
                        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=
                         "http://example.com:12345/gfg');"
                         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
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