..:: 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        1194  0.5  0.5 1304336 85280 ?       Ssl   2025 748:13 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1305256 73256 ?       Ssl   2025 543:25 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.8  0.7 11840472 122228 ?     Ssl   2025 1228:00 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.6  0.6 11819176 103080 ?     Ssl   2025 859:13 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1255  0.8  0.5 1331116 84664 ?       Ssl   2025 1181:47 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1257  0.3  0.4 1305688 74256 ?       Ssl   2025 552:33 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1299400 68872 ?       Ssl   2025 542:38 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.4  2.6 12147068 441736 ?     Ssl   2025 6270:55 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  2.9  1.4 11936744 243544 ?     Ssl   2025 4135:13 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      492181  0.3  0.4 1101404 66336 ?       Ssl  03:02   1:38 node /home/sasa/dex8/dex8-worker/starter.js
www-data  527123  0.0  0.0   2608   596 ?        S    11:00   0:00 sh -c ps -aux | grep node
www-data  527125  0.0  0.0   3304   716 ?        S    11:00   0:00 grep node
sasa     1214480  0.3  0.3 1099656 64084 ?       Ssl   2025 165:58 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1099776 64500 ?       Ssl   2025 166:23 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.3 1100036 65484 ?       Ssl   2025 165:52 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1100264 64504 ?       Ssl   2025 167:05 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1099524 63640 ?       Ssl   2025 166:11 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.3 1099904 65220 ?       Ssl   2025 165:50 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1100904 65176 ?       Ssl   2025 163:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1101152 64616 ?       Ssl   2025 162:47 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.5  0.7 11704608 118496 ?     Ssl   2025 275:45 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1099768 63772 ?       Ssl   2025 165:02 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2628167  0.9  0.8 1176508 131708 ?      Ssl   2025 1163:55 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.6 11818180 102048 ?     Ssl   2025 827:42 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11798920 84612 ?      Ssl   2025 640:36 node /home/sasa/@mikosoft/dodo-examples/server/index.js