How to get the file extension from a filename using Javascript

H
var filename = 'myFile.jpg';
var ext = filename.split('.').pop();  //We split the filename on every instance where the . is found and then getting the last element in the array using the pop() function 
alert(ext);

About the author

Ian Carnaghan

I am a software developer and online educator who likes to keep up with all the latest in technology. I also manage cloud infrastructure, continuous monitoring, DevOps processes, security, and continuous integration and deployment.

About Author

Ian Carnaghan

I am a software developer and online educator who likes to keep up with all the latest in technology. I also manage cloud infrastructure, continuous monitoring, DevOps processes, security, and continuous integration and deployment.

Follow Me