Short filename with extension using javascript
Here's a quick code snippet on how to truncate filename in JavaScript.
function truncate(n, len) { var ext = n.substring(n.lastIndexOf(".") + 1, n.length).toLowerCase(); var filename = n.replace('.' + ext,''); if(filename.length <= len) { return n; } filename = filename.substr(0, len) + (n.length > len ? '[...]' : ''); return filename + '.' + ext; }; var s = 'this-is-a-very-very-very-long-file-name.jpg'; console.log(truncate(s, 100)); //this-is-a-very-very-very-long-file-name.jpg console.log(truncate(s, 10)); //this-is-a-[...].jpg console.log(truncate(s, 4)); //this[...].jpg