..:: 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  0.4  0.5 1306808 87484 ?       Ssl   2025 1402:07 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1304488 72412 ?       Ssl   2025 996:35 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11819984 107284 ?     Ssl   2025 1575:09 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1304920 73396 ?       Ssl   2025 1010:45 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1298028 68344 ?       Ssl   2025 995:17 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.5  2.6 12134112 435276 ?     Ssl   2025 13004:10 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  4.4  3.0 12168084 506084 ?     Ssl   2025 12590:11 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 125240 ?     Ssl   2025 734:07 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.4 1101568 65604 ?       Ssl   2025 650:21 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1102596 67240 ?       Ssl   2025 648:58 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.4 1101032 65588 ?       Ssl   2025 653:42 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1100292 64080 ?       Ssl   2025 650:26 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.3 1100672 65392 ?       Ssl   2025 648:36 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1100904 64148 ?       Ssl   2025 639:04 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1101920 65160 ?       Ssl   2025 636:46 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.7  0.7 11714140 129812 ?     Ssl   2025 1426:18 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1100280 64700 ?       Ssl   2025 648:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.6 11806556 107328 ?     Ssl  Apr20 245:32 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1904154  0.6  0.6 11832656 111920 ?     Ssl  Apr25 138:06 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.7 1174104 129252 ?      Ssl   2025 2268:27 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.6 11825352 100620 ?     Ssl   2025 1651:22 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799176 84592 ?      Ssl   2025 1367:28 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.7  0.5 1332492 86660 ?       Ssl  Feb21 791:31 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa     3535954  0.3  0.3 1099360 63884 ?       Ssl  04:03   2:55 node /home/sasa/dex8/dex8-worker/starter.js
www-data 3603364  0.0  0.0   2608   528 ?        S    19:11   0:00 sh -c ps -aux | grep node
www-data 3603366  0.0  0.0   3304   644 ?        S    19:11   0:00 grep node