..:: Source code - 018number_isNaN.js ::..

/**
 * Check if the result is NaN
 */

var y, tf;

y = parseInt('some text', 10);

tf = isNaN(y) ? 'Result is not number (NaN)' : 'Result is not NaN, probably is number.';

console.log(tf);
 

..:: NodeJS Console - 018number_isNaN.js ::..

$ node 018number_isNaN.js
Result is not number (NaN)
$ps -aux | grep node (list all node processes)
sasa        1194  0.5  0.5 1304320 84444 ?       Ssl   2025 683:36 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1305256 74124 ?       Ssl   2025 495:32 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.8  0.7 11826344 116508 ?     Ssl   2025 1130:31 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.6  0.6 11815196 102892 ?     Ssl   2025 782:37 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1255  0.8  0.5 1331116 85220 ?       Ssl   2025 1075:16 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1257  0.3  0.4 1304920 73196 ?       Ssl   2025 504:14 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1298220 67700 ?       Ssl   2025 494:49 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.3  2.7 12141436 448772 ?     Ssl   2025 5455:41 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  2.8  1.2 11899952 209040 ?     Ssl   2025 3600:39 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.3 1099912 65260 ?       Ssl   2025 115:19 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1099776 64968 ?       Ssl   2025 115:34 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.3 1100036 65000 ?       Ssl   2025 115:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1100008 64780 ?       Ssl   2025 115:57 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1099524 63884 ?       Ssl   2025 115:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1099904 66224 ?       Ssl   2025 115:06 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1099368 63920 ?       Ssl   2025 113:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1099360 63360 ?       Ssl   2025 112:54 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.5  0.7 11706648 119592 ?     Ssl   2025 189:33 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1099768 64796 ?       Ssl   2025 114:31 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2628167  0.9  0.8 1178424 133236 ?      Ssl   2025 1041:12 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.6 11824080 99400 ?      Ssl   2025 743:34 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11798920 84288 ?      Ssl   2025 563:31 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3616566  0.4  0.4 1101152 66476 ?       Ssl  03:03   1:51 node /home/sasa/dex8/dex8-worker/starter.js
www-data 3648908  0.0  0.0   2608   600 ?        S    10:28   0:00 sh -c ps -aux | grep node
www-data 3648910  0.0  0.0   3304   712 ?        S    10:28   0:00 grep node