..:: 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 1303612 79700 ?       Ssl  Jun15 143:28 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa         843  0.5  0.6 11699904 106004 ?     Ssl  Jun15 140:50 node /home/sasa/dex8/dex8-api/starter.js
sasa         858  0.3  0.4 1304640 72612 ?       Ssl  Jun15 109:04 node /home/sasa/regoch/regoch-www/server
sasa         867  0.3  0.4 1300300 68644 ?       Ssl  Jun15 102:28 node /home/sasa/dex8/dex8-panel/server/index.js
sasa         886  0.7  0.6 11822412 109748 ?     Ssl  Jun15 215:04 node /home/sasa/dex8/dex8-www/server/index.js
sasa         888  0.5  0.4 11792628 78472 ?      Ssl  Jun15 151:16 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         904  0.7  0.4 1329652 81080 ?       Ssl  Jun15 200:30 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         910  0.3  0.4 1300384 70172 ?       Ssl  Jun15 103:15 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa         969  0.3  0.3 1297740 64204 ?       Ssl  Jun15 102:05 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa         970  0.6  0.5 11799740 89172 ?      Ssl  Jun15 186:45 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1010  0.6  0.6 1147316 103320 ?      Ssl  Jun15 172:42 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1016  0.8  1.1 11879276 187360 ?     Ssl  Jun15 225:51 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1086  0.4  0.4 11794656 78312 ?      Ssl  Jun15 110:46 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1089  0.3  0.4 1100380 65984 ?       Ssl  Jun15 104:38 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1159  0.3  0.4 22276156 76184 ?      Ssl  Jun15 106:47 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1160  0.3  0.3 1100380 64392 ?       Ssl  Jun15 104:44 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1241  0.3  0.3 1102232 64100 ?       Ssl  Jun15 105:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1242  0.4  0.5 22284008 83956 ?      Ssl  Jun15 111:12 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1323  0.3  0.3 1100124 64980 ?       Ssl  Jun15 104:51 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1324  0.3  0.3 1100640 65048 ?       Ssl  Jun15 104:46 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1398  0.3  0.3 1100384 65064 ?       Ssl  Jun15 104:47 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1400  0.3  0.3 1100380 65236 ?       Ssl  Jun15 105:07 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1465  0.3  0.3 1100640 65252 ?       Ssl  Jun15 104:48 node /home/sasa/dex8/dex8-worker/starter.js
sasa      178968  0.8  0.6 11810796 99156 ?      Ssl  Jun17 199:23 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      337381  1.2  1.4 1469736 241300 ?      Ssl  Jun19 263:08 node /home/sasa/crypto/dex-arbitrage-bot/scripts/observer/index2
www-data 1389774  0.0  0.0   2608   540 ?        S    02:02   0:00 sh -c ps -aux | grep node
www-data 1389776  0.0  0.0   3304   732 ?        S    02:02   0:00 grep node