..:: 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 1311744 76176 ?       Ssl   2025 1468:00 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11823044 100960 ?     Ssl   2025 2317:56 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1306468 73380 ?       Ssl   2025 1485:48 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1301520 69580 ?       Ssl   2025 1463:51 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.2  3.4 12264604 562340 ?     Ssl   2025 18727:52 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  7.1  3.7 12275068 608944 ?     Ssl   2025 31309:09 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 124856 ?     Ssl   2025 1256:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1101568 64668 ?       Ssl   2025 1149:48 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.3 1100804 65436 ?       Ssl   2025 1148:13 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.4 1102568 66736 ?       Ssl   2025 1157:33 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.4 1102340 65992 ?       Ssl   2025 1151:32 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1102208 66380 ?       Ssl   2025 1147:32 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.4 1168744 66332 ?       Ssl   2025 1138:57 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1099872 63672 ?       Ssl   2025 1133:33 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.8  0.7 11845564 122376 ?     Ssl   2025 2851:14 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1101560 65228 ?       Ssl   2025 1147:54 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.7 11852516 126412 ?     Ssl  Apr20 1564:53 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1631573  0.4  0.6 1322928 100788 ?      Ssl  May31 595:07 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa     1824679  0.4  0.5 11798592 82600 ?      Ssl  Aug15  58:56 node /home/sasa/kriptus/kriptus-panel/server/index.js
sasa     2448036  1.2  0.8 11848920 143164 ?     Ssl  Aug21  56:32 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.7  0.7 1176540 130500 ?      Ssl   2025 3350:02 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     2663246  2.9  0.7 11847160 119868 ?     Ssl  Aug23  53:43 node /home/sasa/kriptus/kriptus-api/starter.js
sasa     2733986  0.3  0.3 1100384 65192 ?       Ssl  04:02   3:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2792279  0.5  0.4 1261688 79564 ?       Ssl  16:36   1:18 node /home/sasa/miko/miko-hr/api/starter.js
www-data 2810402  0.0  0.0   2608   528 ?        S    20:41   0:00 sh -c ps -aux | grep node
www-data 2810404  0.0  0.0   3304   720 ?        S    20:41   0:00 grep node
sasa     3168557  0.6  0.6 11832740 112168 ?     Ssl   2025 2586:35 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799488 83700 ?      Ssl   2025 2124:00 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.6  0.5 1332936 86200 ?       Ssl  Feb21 1845:46 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js