..:: Source code - 05var_string_object.js ::..

/**
 * When we try to apply method to primitive data type,
 * string is automatically converted into object. After method finish its job
 * string primitive data type is returned.
 */

var name = 'John';

/**
 * Process of using string data type as an Object
 *  1. converts name into Object
 *  2. method toUpperCase() execute operation
 *  3. Object is destroyed and name2 becomes string again
 */
var name2 = name.toUpperCase();


var type1 = typeof name;
var type2 = typeof name2;

console.log('name data type: '+type1+' - '+name);
console.log('name2 data type: '+type2+' - '+name2);
 

..:: NodeJS Console - 05var_string_object.js ::..

$ node 05var_string_object.js
name data type: string - John
name2 data type: string - JOHN
$ps -aux | grep node (list all node processes)
sasa         849  0.5  0.5 1317120 85344 ?       Ssl  Oct08 282:40 node /home/sasa/regoch/regoch-www/server
sasa         880  0.4  0.5 1319240 88052 ?       Ssl  Oct08 235:23 node /home/sasa/dex8/dex8-www/server/index.js
sasa         890  0.5  0.5 11797800 85672 ?      Ssl  Oct08 333:58 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         903  0.7  0.4 1329652 81960 ?       Ssl  Oct08 430:21 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         929  0.4  0.4 1300184 68864 ?       Ssl  Oct08 225:56 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa         943  0.4  0.4 1300808 66112 ?       Ssl  Oct08 233:03 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa         980  0.6  0.5 11805104 92276 ?      Ssl  Oct08 364:10 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa         981  0.7  0.6 1148036 104340 ?      Ssl  Oct08 394:32 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1039  0.9  1.4 11941380 241676 ?     Ssl  Oct08 554:35 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa     2044488  0.3  0.4 1298112 66760 ?       Ssl  Nov01  77:02 node /home/sasa/dex8/dex8-panel/server/index.js
sasa     2574087  0.3  0.4 11792920 76840 ?      Ssl  Nov08  41:36 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     2702010  0.4  0.6 22296952 100432 ?     Ssl  Nov10  34:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702011  0.3  0.4 1100276 66628 ?       Ssl  Nov10  30:55 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702018  0.3  0.4 1099884 66344 ?       Ssl  Nov10  30:58 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702019  0.3  0.4 1100516 66628 ?       Ssl  Nov10  30:56 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702046  1.0  0.7 22315364 120916 ?     Ssl  Nov10  83:56 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702047  0.3  0.4 1099492 65980 ?       Ssl  Nov10  31:13 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702088  0.3  0.4 1100008 65596 ?       Ssl  Nov10  30:58 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702089  0.3  0.4 1099752 66300 ?       Ssl  Nov10  30:54 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702137  0.3  0.4 1099864 65980 ?       Ssl  Nov10  30:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702139  0.4  0.6 22297452 102348 ?     Ssl  Nov10  35:15 node /home/sasa/dex8/dex8-worker/starter.js
sasa     3097623  1.2  0.8 11716736 131288 ?     Ssl  Nov13  43:34 node /home/sasa/dex8/dex8-api/starter.js
www-data 3359575  0.0  0.0   2608   596 ?        S    06:55   0:00 sh -c ps -aux | grep node
www-data 3359577  0.0  0.0   3304   732 ?        S    06:55   0:00 grep node