Determine File Extensions Using JavaScript
A handy JavaScript function to get file extensions.
function fileExt(path) {
return path.substr(path.lastIndexOf(’.') + 1);
}
Sample Output
Input Output()
file.ext ext
/folder/subfolder/file.ext ext
file.bak.ext ext
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FilePath.Class.prototype.getExt = function () {
var pattern = /^(.*)\.(.+)$/;
var f = this._file.match(pattern);
return f[2];
}
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