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JavaScript bytes to human readable bytes, kilobytes, megabytes, etc.

Javascript
function prettySize(bytes) {
var units = ['bytes', 'kb', 'MB', 'GB', 'TB', 'PB'];
var e = Math.floor( Math.log( bytes ) / Math.log( 1024 ) );
var size = ( bytes / Math.pow( 1024, Math.floor( e ) ) ).toFixed( 2 );
var unit = units[ e ];
return size + ' ' + unit;
}

Javascript
console.log( prettySize( '1024' ) );             // 1.00 kb
console.log( prettySize( '10240' ) ); // 10.00 kb
console.log( prettySize( '102400' ) ); // 100.00 kb
console.log( prettySize( '1048576' ) ); // 1.00 MB
console.log( prettySize( '1073741824' ) ); // 1.00 GB
console.log( prettySize( '1099511627776' ) ); // 1.00 TB
console.log( prettySize( '1125899906842624' ) ); // 1.00 PB

Comments


  1. Thanks!