..:: Source code - 02callback_settimeout.js ::..

/**
 * callback example which shows that all 3 functions runs in paralel
 */

console.log('BEFORE CALLBACK');

setTimeout(function () {
  console.log('inside callback');
}, 3000);

console.log('AFTER CALLBACK');


/* $node 02callback_settimeout
BEFORE CALLBACK
AFTER CALLBACK
inside callback
 */

..:: NodeJS Console - 02callback_settimeout.js ::..

BEFORE CALLBACK
AFTER CALLBACK
inside callback

$ps -aux | grep node (list all node processes)
sasa        1197  1.1  0.2 1327628 44336 ?       Ssl  Oct18 438:16 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1211  6.7  0.4 11845888 77360 ?      Ssl  Oct18 2515:44 node /home/sasa/dex8/dex8-api/starter.js
sasa        1218  0.4  0.1 11798448 32568 ?      Ssl  Oct18 168:37 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1219  0.7  0.2 11844716 35612 ?      Ssl  Oct18 297:45 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1248  0.6  0.3 1332144 49360 ?       Ssl  Oct18 242:50 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1274  0.3  0.2 1309540 33248 ?       Ssl  Oct18 118:28 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1337  0.7  0.4 1166000 76972 ?       Ssl  Oct18 266:39 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1385  4.2  1.8 12422896 298496 ?     Ssl  Oct18 1578:30 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1387  0.3  0.2 11798204 41116 ?      Ssl  Oct18 131:23 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1457  0.3  0.2 1302592 37232 ?       Ssl  Oct18 118:59 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1458  0.3  0.2 22280364 39748 ?      Ssl  Oct18 121:23 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1514  0.3  0.1 1231844 28564 ?       Ssl  Oct18 118:23 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1515  0.3  0.1 1165924 28604 ?       Ssl  Oct18 118:04 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1593  0.3  0.1 1165028 27720 ?       Ssl  Oct18 118:42 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1595  0.3  0.1 1165664 27456 ?       Ssl  Oct18 118:24 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1660  0.3  0.1 1165296 27828 ?       Ssl  Oct18 118:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1661  0.3  0.1 1168224 21780 ?       Ssl  Oct18 118:13 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1732  0.3  0.1 1102176 21336 ?       Ssl  Oct18 118:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1734  0.3  0.1 1102176 21980 ?       Ssl  Oct18 117:53 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1792  2.8  2.8 12349972 472488 ?     Rsl  Oct18 1062:47 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      367471  1.1  0.2 11870928 36220 ?      Ssl  Oct21 363:14 node /home/sasa/miko/miko-hr/server/index.js
sasa     2446447  0.5  0.4 11834596 75524 ?      Ssl  Nov09  26:29 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     2511306  0.5  0.2 1330124 44620 ?       Ssl  Nov10  24:14 node /home/sasa/miko/miko-hr/api/starter.js
sasa     3034860  0.3  0.3 11794612 50364 ?      Ssl  02:19   1:49 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa     3040759  0.3  0.1 1292032 27120 ?       Ssl  02:31   1:36 node /home/sasa/dex8/dex8-kiosk/server/index.js
root     3404628  0.0  0.0   9492  2228 ?        Ss   04:08   0:00 bash -c  which psql mongosh mongo 2>/dev/null echo "=== PG test ===" PGPASSWORD="w583Cr#ZED" psql -h 127.0.0.1 -p 6543 -U kriptus_user -d kriptus_dev -tAc "SELECT 1" 2>&1 | head -5 echo "=== MONGO test (node) ===" cd /home/sasa/kriptus/kriptus-api 2>/dev/null && node -e " const {MongoClient}=require(\"mongodb\"); (async()=>{ try{ const c=new MongoClient(\"mongodb://kript:12345@127.0.0.1:27017/kriptus-dev\",{serverSelectionTimeoutMS:5000}); await c.connect(); const d=await c.db().admin().listDatabases(); console.log(\"DBS:\", d.databases.map(x=>x.name).join(\",\")); await c.close(); }catch(e){ console.log(\"ERR\", e.message); } })(); " 2>&1 | head -5 
root     3404790  0.0  0.2 1114980 34608 ?       Sl   04:08   0:05 node -e  const {MongoClient}=require("mongodb"); (async()=>{ try{ const c=new MongoClient("mongodb://kript:12345@127.0.0.1:27017/kriptus-dev",{serverSelectionTimeoutMS:5000}); await c.connect(); const d=await c.db().admin().listDatabases(); console.log("DBS:", d.databases.map(x=>x.name).join(",")); await c.close(); }catch(e){ console.log("ERR", e.message); } })(); 
www-data 3514936  0.0  0.0   2608   516 ?        S    11:04   0:00 sh -c ps -aux | grep node
www-data 3514938  0.0  0.0   3304   640 ?        S    11:04   0:00 grep node