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         914  0.4  0.5 1306576 84544 ?       Ssl  Aug04 236:17 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa         935  0.6  0.8 11787352 133280 ?     Ssl  Aug04 352:59 node /home/sasa/dex8/dex8-api/starter.js
sasa         938  0.3  0.4 1305820 74308 ?       Ssl  Aug04 195:22 node /home/sasa/regoch/regoch-www/server
sasa         945  0.3  0.4 1303752 71480 ?       Ssl  Aug04 171:52 node /home/sasa/dex8/dex8-panel/server/index.js
sasa         947  0.6  0.7 11827220 115032 ?     Ssl  Aug04 355:17 node /home/sasa/dex8/dex8-www/server/index.js
sasa         966  0.5  0.6 11809488 99040 ?      Ssl  Aug04 262:05 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         980  0.6  0.5 1330076 83112 ?       Ssl  Aug04 348:38 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         997  0.3  0.4 1301280 69688 ?       Ssl  Aug04 173:26 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1021  0.3  0.4 1297448 65736 ?       Ssl  Aug04 171:01 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1065  0.5  0.5 11802336 90844 ?      Ssl  Aug04 291:56 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1074  0.5  0.6 1151232 104788 ?      Ssl  Aug04 282:24 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1136  0.6  1.0 11880456 169504 ?     Ssl  Aug04 327:42 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1148  0.3  0.4 11794644 78000 ?      Ssl  Aug04 188:47 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1197  0.3  0.3 1100908 63740 ?       Ssl  Aug04 177:00 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1199  0.3  0.4 22277756 77600 ?      Ssl  Aug04 178:35 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1308  0.3  0.3 1100128 64264 ?       Ssl  Aug04 176:22 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1325  0.3  0.3 1100128 63400 ?       Ssl  Aug04 176:28 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1393  0.7  0.8 22318804 137672 ?     Ssl  Aug04 369:19 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1395  0.3  0.3 1100908 64156 ?       Ssl  Aug04 176:57 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1489  0.3  0.3 1100128 63644 ?       Ssl  Aug04 177:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1496  0.3  0.3 1100896 65484 ?       Ssl  Aug04 176:10 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1607  0.3  0.3 1100384 64008 ?       Ssl  Aug04 176:32 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1608  0.3  0.3 1100128 64036 ?       Ssl  Aug04 175:31 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1686  0.8  0.8 11842792 144220 ?     Rsl  Aug04 418:45 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1371685  0.3  0.5 11798184 84596 ?      Ssl  Aug16 127:11 node /home/sasa/mikosoft-info/solar-wind-energy/server/index.js
sasa     1460918  0.3  0.3 1299880 65376 ?       Ssl  Aug17 123:37 node /home/sasa/sites-nodejs/oxygen-free-copper/server.js
www-data 4012669  0.0  0.0   2608   596 ?        S    04:10   0:00 sh -c ps -aux | grep node
www-data 4012671  1.0  0.0   3304   716 ?        S    04:10   0:00 grep node