Test JS script file

Selected file: 05var_string_object.js
Compare console.log() outputs in browser and NodeJS.
Notice: Open browser's console in FireBUG!

  1. 01var_identifier.js
  2. 03var_data_types.js
  3. 03var_data_types_novar.js
  4. 04var_primitiveToObject.js
  5. 05var_string_object.js
  6. 06var_converting_data_types.js
  7. 10var_local_global_outside_function.js
  8. 12var_local_global_inside_function.js
  9. 13var_local_global_inside_function2.js
  10. 14var_local_global_return.js
  11. 16var_global_browser.js
  12. 16var_global_node.js
  13. 20var_Infinity.js
  14. 21var_NaN.js
  15. 22var_undefined.js
  16. 22var_undefined2.js
  17. 23var_empty_string.js
  18. 23var_null_obj.js

..:: 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 1304444 82432 ?       Ssl   2025 1059:24 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1305000 73600 ?       Ssl   2025 760:31 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.8  0.7 11840448 121356 ?     Ssl   2025 1679:51 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.5  0.6 11817016 107584 ?     Ssl   2025 1203:06 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1304920 73468 ?       Ssl   2025 772:02 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1301872 71356 ?       Ssl   2025 759:06 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.4  2.9 12171644 479152 ?     Ssl   2025 9386:31 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  3.2  2.0 12007352 331404 ?     Ssl   2025 6865:41 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.4  0.7 22311424 125856 ?     Ssl   2025 469:21 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1100800 64640 ?       Ssl   2025 398:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1102852 67708 ?       Ssl   2025 397:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.4 1102312 66184 ?       Ssl   2025 399:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1100804 64256 ?       Ssl   2025 397:57 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1100928 66308 ?       Ssl   2025 396:54 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1100648 63988 ?       Ssl   2025 391:12 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1100640 63984 ?       Ssl   2025 389:38 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.7  0.7 11708808 124716 ?     Ssl   2025 833:17 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1100792 65060 ?       Ssl   2025 396:26 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1953746  0.3  0.3 1096796 60972 ?       Ssl  03:03   0:20 node /home/sasa/dex8/dex8-worker/starter.js
www-data 1962666  0.0  0.0   2608   524 ?        S    04:45   0:00 sh -c ps -aux | grep node
www-data 1962668  0.0  0.0   3304   656 ?        S    04:45   0:00 grep node
sasa     2509059  0.5  0.5 11803616 95124 ?      Ssl  Feb14 278:48 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.8 1177688 134120 ?      Ssl   2025 1690:20 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.5 11801232 90860 ?      Ssl   2025 1210:07 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799176 85188 ?      Ssl   2025 989:33 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.6  0.5 1330104 82176 ?       Ssl  Feb21 233:49 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js