Can someone explain this code function?
HI @Dimitrije
This script is used to ensure that a web page is only accessed from a specific domain, in this case, “merchantdomain.com”. If someone tries to access the page from any other domain, they are automatically redirected to “merchantdomain.com”.
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Checking the Current URL:
- window.location.href refers to the URL of the current page.
- indexOf(“merchantdomain.com”) checks if the string “merchantdomain.com” is part of the current URL. The indexOf method returns -1 if the string is not found.
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Redirection Logic:
- if(window.location.href.indexOf(“merchantdomain.com”) == -1): This conditional statement checks if “merchantdomain.com” is not part of the current URL. If it isn’t (i.e., indexOf returns -1), then the condition is true.
- window.location = ‘https://merchantdomain.com’: If the condition is true (meaning the current page is not on “merchantdomain.com”), this line redirects the browser to ‘https://merchantdomain.com’.
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Common Use Cases:
- It’s often used to enforce domain consistency, particularly for sites that may have multiple domains or subdomains.
- It can also be a security measure to prevent phishing or unauthorized access to a web page from a different domain.