Test JS script file

Selected file: 21var_NaN.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 - 21var_NaN.js ::..

/**
 * Define NaN
 */

var str='some text'; //string
var numb=parseInt(str); //or parseFloat()

var type=typeof numb;

console.log(type +': '+ numb); //number: NaN
 

..:: NodeJS Console - 21var_NaN.js ::..

$ node 21var_NaN.js 
number: NaN

$ps -aux | grep node (list all node processes)
sasa        1194  0.4  0.5 1305952 86436 ?       Ssl   2025 1406:11 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1304488 73172 ?       Ssl   2025 999:32 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11818960 105940 ?     Ssl   2025 1579:45 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1305176 73812 ?       Ssl   2025 1013:43 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1298028 68012 ?       Ssl   2025 998:13 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.5  2.6 12138108 440592 ?     Ssl   2025 13027:28 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  4.4  3.0 12167572 505600 ?     Ssl   2025 12686:46 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 125652 ?     Ssl   2025 737:24 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.4 1103104 66976 ?       Ssl   2025 653:29 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1101060 66012 ?       Ssl   2025 652:05 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1101032 64520 ?       Ssl   2025 656:52 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1101316 64636 ?       Ssl   2025 653:34 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1100672 66040 ?       Ssl   2025 651:43 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1100648 64428 ?       Ssl   2025 642:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1100128 63488 ?       Ssl   2025 639:51 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.7  0.7 11714140 130488 ?     Ssl   2025 1431:29 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.4 1102072 65796 ?       Ssl   2025 651:07 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.6 11826780 113720 ?     Ssl  Apr20 251:27 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1904154  0.6  0.7 11838544 117916 ?     Ssl  Apr25 142:52 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.7 1175384 130208 ?      Ssl   2025 2274:32 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.6 11817672 101252 ?     Ssl   2025 1656:55 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799176 84700 ?      Ssl   2025 1372:11 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.7  0.5 1332492 86316 ?       Ssl  Feb21 798:17 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa     3652070  0.3  0.3 1100640 65312 ?       Ssl  04:03   1:19 node /home/sasa/dex8/dex8-worker/starter.js
www-data 3681416  0.0  0.0   2608   532 ?        S    10:54   0:00 sh -c ps -aux | grep node
www-data 3681418  0.0  0.0   3304   708 ?        S    10:54   0:00 grep node