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  0.5  0.5 1304332 83684 ?       Ssl   2025 832:19 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1305000 73032 ?       Ssl   2025 593:15 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.8  0.7 11829136 118680 ?     Ssl   2025 1329:02 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.5  0.6 11818664 106268 ?     Ssl   2025 938:13 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1255  0.8  0.5 1331116 84496 ?       Ssl   2025 1291:40 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1257  0.3  0.4 1303896 72136 ?       Rsl   2025 603:03 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1298584 67992 ?       Ssl   2025 592:26 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.4  2.7 12145376 453056 ?     Ssl   2025 6989:49 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  3.0  1.6 11952216 263764 ?     Ssl   2025 4700:20 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.4  0.7 22311424 125832 ?     Ssl   2025 282:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1100800 64808 ?       Ssl   2025 219:38 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1101060 66004 ?       Ssl   2025 219:00 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1100776 64584 ?       Ssl   2025 220:38 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1100548 64160 ?       Ssl   2025 219:25 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1100672 65700 ?       Ssl   2025 218:59 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1099880 64312 ?       Ssl   2025 215:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1099616 63856 ?       Ssl   2025 214:57 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.8  0.7 11709576 124220 ?     Ssl   2025 538:14 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1100280 64340 ?       Ssl   2025 218:15 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2002956  0.3  0.3 1099868 64616 ?       Ssl  03:03   1:11 node /home/sasa/dex8/dex8-worker/starter.js
www-data 2028090  0.0  0.0   2608   528 ?        S    09:01   0:00 sh -c ps -aux | grep node
www-data 2028092  0.0  0.0   3304   644 ?        S    09:01   0:00 grep node
sasa     2628167  0.9  0.7 1175364 130452 ?      Ssl   2025 1285:26 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.5 11821032 96624 ?      Ssl   2025 914:17 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11798920 84780 ?      Ssl   2025 720:42 node /home/sasa/@mikosoft/dodo-examples/server/index.js