Test JS script file

Selected file: 22var_undefined2.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 - 22var_undefined2.js ::..

/**
 * undefined variable
 */

var type=typeof name;

//browser - string:
//nodeJS - undefined:
console.log(type);
 

..:: NodeJS Console - 22var_undefined2.js ::..

$ node 22var_undefined2.js 
undefined

$ps -aux | grep node (list all node processes)
sasa        1194  0.4  0.5 1305996 84808 ?       Ssl   2025 1176:37 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1305000 73300 ?       Ssl   2025 846:08 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.7  0.6 11824296 102420 ?     Ssl   2025 1886:14 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.5  0.6 11819024 106744 ?     Ssl   2025 1338:57 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1304920 72968 ?       Ssl   2025 858:59 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1298028 68144 ?       Ssl   2025 844:37 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.5  3.0 12195140 504188 ?     Ssl   2025 10814:25 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  3.5  2.3 12063752 390452 ?     Ssl   2025 8488:58 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 125420 ?     Ssl   2025 565:41 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.4 1101056 65772 ?       Ssl   2025 489:54 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1101060 66872 ?       Ssl   2025 488:41 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.4 1101032 65620 ?       Ssl   2025 492:04 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.4 1102596 66228 ?       Ssl   2025 489:43 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1101696 66132 ?       Ssl   2025 488:27 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1100648 64476 ?       Ssl   2025 481:20 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1100384 64348 ?       Ssl   2025 479:32 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.6  0.7 11709368 123324 ?     Ssl   2025 984:48 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.4 1102072 65832 ?       Ssl   2025 488:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2509059  0.5  0.6 11804952 99088 ?      Ssl  Feb14 436:34 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.8 1178456 132088 ?      Ssl   2025 1905:27 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.6 11816556 99320 ?      Ssl   2025 1367:45 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799176 85232 ?      Ssl   2025 1127:08 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.6  0.5 1331932 86452 ?       Ssl  Feb21 431:05 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa     4093325  0.3  0.3 1101408 65220 ?       Ssl  04:02   1:28 node /home/sasa/dex8/dex8-worker/starter.js
www-data 4128800  0.0  0.0   2608   588 ?        S    11:42   0:00 sh -c ps -aux | grep node
www-data 4128802  0.0  0.0   3304   712 ?        S    11:42   0:00 grep node