var arr = []; for( var i = 0; i < 256; i++ ){ var char = String.fromCharCode( i ); if( encodeURI( char ) !== encodeURIComponent( char )){ arr.push({ character: char, encodeURI: encodeURI( char ), encodeURIComponent: encodeURIComponent( char ) }); } } console.table( arr );It produces the following table within the console of Chrome.
** Note: to enter line break in the Chrome's console, use [Shift] + [Enter] keys.