Run results for: Filename and extension

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36

Browser: Chrome 74

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Script Preparation code:

var filename = "file.name.png";

Tests:

slice
var a = filename.slice(0, filename.lastIndexOf('.')); var b = filename.slice(filename.lastIndexOf('.'));
substr
var a = filename.substr(0, filename.lastIndexOf('.')); var b = filename.substr(filename.lastIndexOf('.'));
substring
var a = filename.substring(0, filename.lastIndexOf('.')); var b = filename.substring(filename.lastIndexOf('.'));