HTML | DOM Anchor port Property

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

My Personal Notes

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