Given a web page containing the page title and the task is to change the title of a web page dynamically using JavaScript.
Method 1: Using document.title property: The document.title property is used to set or return the current title of the document. The title of the page can be changed by assigning the new title as a string to this property. This will change the title of the website to the preferred title.
Syntax:
newPageTitle = 'The title has changed!';document.title = newPageTitle; |
Example:
<!DOCTYPE html><html> <head> <title> How to dynamically change a web page’s title using JavaScript ? </title></head> <body> <h1 style="color: green"> GeeksforGeeks </h1> <b> How to dynamically change a web page’s title using JavaScript ? </b> <p> Click on the button to change the page title to: "The title has changed!" </p> <button onclick="changePageTitle()"> Change Page Title </button> <script type="text/javascript"> function changePageTitle() { newPageTitle = 'The title has changed!'; document.title = newPageTitle; } </script></body> </html> |
Output:
- Before clicking the button:
- After clicking the button:
Method 2: Using querySelector() Method: The document.querySelector() method is used to select elements in the document. The title element can be selected by specifying the title element in the selector as a parameter. This will return the current title element of the page.
The textContent property of an element returns the text content of a specific node. The title of the page can be changed by assigning the required new title as a string to the textContent property. This will change the title of the website to the preferred title.
Syntax:
newPageTitle = 'The title has changed!';document.querySelector('title').textContent = newPageTitle; |
Example:
<!DOCTYPE html><html> <head> <title> How to dynamically change a web page’s title using JavaScript ? </title></head> <body> <h1 style="color: green"> GeeksforGeeks </h1> <b> How to dynamically change a web page’s title using JavaScript ? </b> <p> Click on the button to change the page title to: "The title has changed!" </p> <button onclick="changePageTitle()"> Change Page Title </button> <script type="text/javascript"> function changePageTitle() { newPageTitle = 'The title has changed!'; document.querySelector('title').textContent = newPageTitle; } </script></body> </html> |
Output:
- Before clicking the button:
- After clicking the button:
