javascript get file extension
var fileName = "myDocument.pdf";
var fileExtension = fileName.split('.').pop(); //"pdf"javascript get file extension
var fileName = "myDocument.pdf";
var fileExtension = fileName.split('.').pop(); //"pdf"javascript get file extension from string
// Use the lastIndexOf method to find the last period in the string, and get the part of the string after that:
var ext = fileName.substr(fileName.lastIndexOf('.') + 1);Copyright © 2021 Codeinu
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