..:: Source code - 23var_null_obj.js ::..

/**
 * defininig null object
 */

x = 23;
x = null; //redefine variable x to null object
var type=typeof x;

console.log(type +': '+ x); //object: null


if(x==null) console.log('x is null'); //works
else if(x=='') console.log('x is empty string'); //dont work

..:: NodeJS Console - 23var_null_obj.js ::..

object: null
x is null

$ps -aux | grep node (list all node processes)
sasa        1208  0.3  0.4 1306792 68524 ?       Ssl   2025 1231:52 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11830068 99792 ?      Ssl   2025 1945:50 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1303048 70120 ?       Ssl   2025 1248:14 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1300464 66928 ?       Ssl   2025 1229:33 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.2  2.8 12235940 472988 ?     Ssl   2025 15524:54 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  6.0  3.5 12247728 584136 ?     Ssl   2025 21862:49 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      990007  0.3  0.5 22299160 97196 ?      Ssl  Jul01   5:55 node /home/sasa/dex8/dex8-worker/starter.js
www-data 1119281  0.0  0.0   2608   528 ?        S    09:56   0:00 sh -c ps -aux | grep node
www-data 1119283  0.0  0.0   3304   716 ?        S    09:56   0:00 grep node
sasa     1214480  0.3  0.7 22311168 125328 ?     Ssl   2025 995:41 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.4 1101568 65596 ?       Ssl   2025 900:03 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1102084 67264 ?       Ssl   2025 898:33 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.4 1102312 66560 ?       Ssl   2025 905:38 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1101316 64688 ?       Ssl   2025 900:51 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.3 1100416 65444 ?       Ssl   2025 898:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.4 1166440 65748 ?       Ssl   2025 888:48 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.4 1101664 66348 ?       Ssl   2025 885:04 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.6  0.7 11844188 123512 ?     Ssl   2025 1839:42 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.4 1101560 66048 ?       Ssl   2025 897:48 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.6 11806300 107852 ?     Ssl  Apr20 863:52 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1631573  0.4  0.5 1303880 82892 ?       Ssl  May31 200:28 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa     1904154  0.6  0.9 11889732 157376 ?     Ssl  Apr25 596:51 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.8 1176796 132484 ?      Ssl   2025 2786:26 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.5 11804504 92960 ?      Ssl   2025 2103:58 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799488 84524 ?      Ssl   2025 1744:29 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.7  0.5 1332680 87140 ?       Ssl  Feb21 1325:25 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js