..:: 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         831  0.5  0.4 1303828 80412 ?       Ssl  Jun15 144:09 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa         843  0.5  0.6 11699904 106012 ?     Ssl  Jun15 141:35 node /home/sasa/dex8/dex8-api/starter.js
sasa         858  0.3  0.4 1304640 72832 ?       Ssl  Jun15 109:36 node /home/sasa/regoch/regoch-www/server
sasa         867  0.3  0.4 1300300 68596 ?       Ssl  Jun15 102:57 node /home/sasa/dex8/dex8-panel/server/index.js
sasa         886  0.7  0.6 11816676 103204 ?     Ssl  Jun15 216:00 node /home/sasa/dex8/dex8-www/server/index.js
sasa         888  0.5  0.4 11792628 78964 ?      Ssl  Jun15 151:58 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         904  0.7  0.4 1329652 81280 ?       Ssl  Jun15 201:29 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         910  0.3  0.4 1300384 69536 ?       Ssl  Jun15 103:44 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa         969  0.3  0.3 1297740 64604 ?       Ssl  Jun15 102:33 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa         970  0.6  0.6 11824572 100172 ?     Ssl  Jun15 187:38 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1010  0.6  0.6 1147316 103024 ?      Ssl  Jun15 173:30 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1016  0.8  1.1 11879116 187040 ?     Ssl  Jun15 226:46 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1086  0.4  0.4 11794656 78256 ?      Ssl  Jun15 111:18 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1089  0.3  0.4 1101916 66944 ?       Ssl  Jun15 105:07 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1159  0.3  0.4 22276412 76372 ?      Ssl  Jun15 107:18 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1160  0.3  0.4 1101916 66356 ?       Ssl  Jun15 105:13 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1241  0.3  0.4 1104024 66440 ?       Ssl  Jun15 105:30 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1242  0.4  0.4 22280936 80596 ?      Ssl  Jun15 111:43 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1323  0.3  0.4 1101916 66352 ?       Ssl  Jun15 105:20 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1324  0.3  0.4 1102432 66824 ?       Ssl  Jun15 105:15 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1398  0.3  0.4 1102176 66280 ?       Ssl  Jun15 105:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1400  0.3  0.4 1102172 66792 ?       Ssl  Jun15 105:36 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1465  0.3  0.4 1102432 67028 ?       Ssl  Jun15 105:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa      178968  0.8  0.6 11810796 98812 ?      Ssl  Jun17 200:33 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      337381  1.2  1.4 1469864 242560 ?      Ssl  Jun19 264:52 node /home/sasa/crypto/dex-arbitrage-bot/scripts/observer/index2
www-data 1396503  0.0  0.0   2608   600 ?        S    04:19   0:00 sh -c ps -aux | grep node
www-data 1396505  0.0  0.0   3304   732 ?        S    04:19   0:00 grep node