..:: Source code - 033string_minus.js ::..

/**
 * Minus operator
 */
var x, y, c;

x = 'str1';
y = 'str2';

c = x - y;

console.log(c); //NaN
 

..:: NodeJS Console - 033string_minus.js ::..

$ node 033string_minus.js
NaN
$ps -aux | grep node (list all node processes)
sasa        1208  0.3  0.4 1305000 73112 ?       Ssl   2025 1167:19 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11819984 105736 ?     Ssl   2025 1843:54 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1304584 72052 ?       Ssl   2025 1183:28 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1297836 66436 ?       Ssl   2025 1165:33 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.3  2.9 12175016 476012 ?     Ssl   2025 14838:59 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  5.6  3.5 12247216 584568 ?     Ssl   2025 19375:10 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 125684 ?     Ssl   2025 924:29 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1101056 64972 ?       Ssl   2025 831:54 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1102340 66908 ?       Ssl   2025 830:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.4 1102056 65924 ?       Ssl   2025 836:43 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1101572 65100 ?       Ssl   2025 832:32 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.3 1100416 65220 ?       Ssl   2025 829:51 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1166184 64628 ?       Ssl   2025 820:24 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1099872 64472 ?       Ssl   2025 817:07 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.7  0.7 11844188 125560 ?     Ssl   2025 1726:39 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.4 1101560 66064 ?       Ssl   2025 829:30 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.7 11830304 118276 ?     Ssl  Apr20 699:57 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1631573  0.4  0.4 1302864 78504 ?       Ssl  May31 110:50 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa     1904154  0.6  1.0 11889316 171736 ?     Ssl  Apr25 474:44 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.8 1176796 132916 ?      Ssl   2025 2643:25 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.7 11858744 118276 ?     Ssl   2025 1969:38 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799176 84352 ?      Ssl   2025 1640:41 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.7  0.5 1333192 87272 ?       Ssl  Feb21 1183:25 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa     3605559  0.3  0.3 1099356 63944 ?       Ssl  Jun17   4:16 node /home/sasa/dex8/dex8-worker/starter.js
www-data 3700645  0.0  0.0   2608   528 ?        S    02:29   0:00 sh -c ps -aux | grep node
www-data 3700647  0.0  0.0   3304   712 ?        S    02:29   0:00 grep node