extract extension from filename javascript code example
Example 1: javascript get file extension
var fileName = "myDocument.pdf";
var fileExtension = fileName.split('.').pop();
Example 2: javascript find file extension from string
var ext = fileName.split('.').pop();
Example 3: how to get the extension from filename using javascript
var ext = fileName.substr(fileName.lastIndexOf('.') + 1);
Example 4: how to get file extension in javascript
var fileName = "myDocument.pdf";
var fileExtension = fileName.split('.').pop();