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Extract hostname from URL string in JavaScript?
To extract hostname from URL string, use split() function. Following is the code −
Example
function gettingTheHostNameFromURL(websiteURL) { var getTheHostName; if (websiteURL.indexOf("//") > -1) { getTheHostName = websiteURL.split('/')[2]; } else { getTheHostName = websiteURL.split('/')[0]; } getTheHostName = getTheHostName.split(':')[0]; getTheHostName = getTheHostName.split('?')[0]; return getTheHostName; } var websiteURL="https://www.tutorialspoint.com/java/index.htm";var websiteURL1="https://www.tutorix.com/about_us.htm"; var websiteURL2="https://www.tutorialspoint.com/execute_python_online.php"; console.log(gettingTheHostNameFromURL(websiteURL)) console.log(gettingTheHostNameFromURL(websiteURL1)) console.log(gettingTheHostNameFromURL(websiteURL2))
To run the above program, you need to use the following command −
node fileName.js.
Output
Here, my file name is demo161.js. This will produce the following output −
PS C:\Users\Amit\JavaScript-code> node demo161.js www.tutorialspoint.com www.tutorix.com www.tutorialspoint.com
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