JSFiddle - React, Tailwind, and code Playground

by Ketan Patel

JavaScript

function openFile(file) {
    var extension = file.substr( (file.lastIndexOf('.') +1) );
    alert(extension);
    switch(extension) {
        case 'jpg':
        case 'png':
        case 'gif':
            alert('was jpg png gif');
        break;
        case 'zip':
        case 'rar':
            alert('was zip rar');
        break;
        case 'pdf':
            alert('was pdf');
        break;
        default:
            alert('who knows');
    
    }

  //if .jpg/.gif/.png do something

  //if .zip/.rar do something else

  //if .pdf do something else

};


openFile("https://google.com/somestring");