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 1305952 86960 ?       Ssl   2025 1405:59 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1304488 72916 ?       Ssl   2025 999:23 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11818960 106192 ?     Ssl   2025 1579:31 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1305176 73884 ?       Ssl   2025 1013:35 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1298028 68256 ?       Ssl   2025 998:04 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.5  2.8 12154492 461812 ?     Ssl   2025 13026:11 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  4.4  3.0 12167316 505440 ?     Ssl   2025 12681:59 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 125412 ?     Ssl   2025 737:15 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.4 1102336 66712 ?       Ssl   2025 653:19 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.3 1101060 65448 ?       Ssl   2025 651:56 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1101032 65184 ?       Ssl   2025 656:43 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1100548 65256 ?       Ssl   2025 653:24 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1100672 65928 ?       Ssl   2025 651:34 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1100648 64520 ?       Ssl   2025 641:59 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1100128 63700 ?       Ssl   2025 639:41 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.7  0.7 11714140 130588 ?     Ssl   2025 1431:14 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1101560 65456 ?       Ssl   2025 650:58 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.6 11806300 107648 ?     Ssl  Apr20 251:12 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1904154  0.6  0.7 11836752 116076 ?     Ssl  Apr25 142:37 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.7 1177176 130268 ?      Ssl   2025 2274:13 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.5 11802568 91076 ?      Ssl   2025 1656:39 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799176 84380 ?      Ssl   2025 1371:56 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.7  0.5 1332492 86828 ?       Ssl  Feb21 797:56 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa     3652070  0.3  0.3 1100128 64396 ?       Ssl  04:03   1:10 node /home/sasa/dex8/dex8-worker/starter.js
www-data 3678202  0.0  0.0   2608   592 ?        S    10:07   0:00 sh -c ps -aux | grep node
www-data 3678204  0.0  0.0   3304   708 ?        S    10:07   0:00 grep node