wallace11
7/9/2016 - 7:20 AM

JavaScript

// Source: http://scratch99.com/web-development/javascript/convert-bytes-to-mb-kb/
function bytesToSize(bytes) {
    var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
    if (bytes === 0) return 'n/a';
    var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
    if (i === 0) return bytes + ' ' + sizes[i];
    return (bytes / Math.pow(1024, i)).toFixed(1) + ' ' + sizes[i];
}

function formatBytes(a,b) {
  if (0 == a) return "0 Bytes";
  var c = 1024, d = b||2, e= ["Bytes","KB","MB","GB","TB","PB","EB","ZB","YB"], f = Math.floor(Math.log(a)/Math.log(c));
  return parseFloat((a/Math.pow(c,f)).toFixed(d))+" "+e[f];
}
var output = '';
var object = $$$;
for (var property in object) {
  output += property + ': ' + object[property]+'; ';
}
console.log(output);
var check = OBJECT.find(function(obj) {
                             return obj.id == id;
                         });

var VS let VS const

Source

varletconst
function scopedblock scopedblock scoped
undefined when accessing a variable before it's declaredReferenceError when accessing a variable before it's declaredReferenceError when accessing a variable before it's declared
Cant be reassigned