..:: Source code - 16var_global_node.js ::..

/**
 * GLOBAL VARIABLES in NODEJS
 * Global variable in NodeJS is defined by 'global'
 */

//global scope
global.a = 8;
console.log(a);
console.log(global.a);


//local scope
function fja() {
	global.b = 21;
}
fja();
console.log(b);
 

..:: NodeJS Console - 16var_global_node.js ::..

$ node 16var_global_node.js
8
8
21
$ps -aux | grep node (list all node processes)
sasa         831  0.5  0.4 1303960 78224 ?       Ssl  Jun15 108:48 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa         843  0.5  0.6 11699508 104148 ?     Ssl  Jun15 103:19 node /home/sasa/dex8/dex8-api/starter.js
sasa         858  0.4  0.4 1302344 70724 ?       Ssl  Jun15  81:37 node /home/sasa/regoch/regoch-www/server
sasa         867  0.3  0.4 1298972 66080 ?       Ssl  Jun15  77:12 node /home/sasa/dex8/dex8-panel/server/index.js
sasa         886  0.8  0.6 11850244 111064 ?     Ssl  Jun15 164:14 node /home/sasa/dex8/dex8-www/server/index.js
sasa         888  0.5  0.4 11792244 77432 ?      Ssl  Jun15 112:25 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         904  0.7  0.4 1329652 81640 ?       Ssl  Jun15 149:23 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         910  0.3  0.4 1300240 69636 ?       Ssl  Jun15  77:57 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa         969  0.3  0.3 1297484 64608 ?       Ssl  Jun15  77:01 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa         970  0.6  0.5 11837348 95988 ?      Ssl  Jun15 138:11 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1010  0.6  0.6 1145428 100912 ?      Ssl  Jun15 129:47 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1016  0.8  1.1 11907184 190136 ?     Ssl  Jun15 168:51 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1086  0.4  0.4 11794656 77760 ?      Ssl  Jun15  83:20 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1089  0.3  0.3 1099612 64904 ?       Ssl  Jun15  78:58 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1159  0.3  0.4 22276156 75500 ?      Ssl  Jun15  80:00 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1160  0.3  0.3 1099612 63960 ?       Ssl  Jun15  79:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1241  0.3  0.3 1100952 63112 ?       Ssl  Jun15  79:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1242  0.4  0.5 22284124 83256 ?      Ssl  Jun15  83:56 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1323  0.3  0.3 1099100 63012 ?       Ssl  Jun15  79:12 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1324  0.3  0.3 1099616 63796 ?       Ssl  Jun15  78:57 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1398  0.3  0.3 1099104 63808 ?       Ssl  Jun15  79:07 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1400  0.3  0.3 1099356 63904 ?       Ssl  Jun15  79:19 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1465  0.3  0.3 1099104 63936 ?       Ssl  Jun15  79:11 node /home/sasa/dex8/dex8-worker/starter.js
sasa      178968  0.8  0.5 11810360 97696 ?      Ssl  Jun17 139:41 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      337381  1.3  0.5 1319004 91464 ?       Ssl  Jun19 185:41 node /home/sasa/crypto/dex-arbitrage-bot/scripts/observer/index2
www-data 1026844  0.0  0.0   2608   592 ?        S    02:29   0:00 sh -c ps -aux | grep node
www-data 1026846  0.0  0.0   3304   664 ?        S    02:29   0:00 grep node