..:: Source code - 02callback_settimeout2.js ::..

/**
 * callback example
 */

function cb() {
  console.log('\n 1st callback is executed!');

  console.log('BEFORE 2nd CALLBACK');

  setTimeout(function () {
    console.log('\n 2nd callback is executed');
  }, 2000);

  console.log('AFTER 2nd CALLBACK');
}

console.log('BEFORE 1st CALLBACK');

setTimeout(cb, 3000);

console.log('AFTER 1st CALLBACK');



/*
$node 02callback_settimeout2
BEFORE 1st CALLBACK
AFTER 1st CALLBACK

 1st callback is executed!
BEFORE 2nd CALLBACK
AFTER 2nd CALLBACK

 2nd callback is executed
 */

..:: NodeJS Console - 02callback_settimeout2.js ::..

BEFORE 1st CALLBACK
AFTER 1st CALLBACK

 1st callback is executed!
BEFORE 2nd CALLBACK
AFTER 2nd CALLBACK

 2nd callback is executed

$ps -aux | grep node (list all node processes)
sasa        1197  1.4  0.5 1326380 97976 ?       Ssl  Oct18 298:05 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1211  9.5  0.6 11708932 113112 ?     Ssl  Oct18 1910:22 node /home/sasa/dex8/dex8-api/starter.js
sasa        1218  0.4  0.5 11801072 83568 ?      Ssl  Oct18  88:02 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1219  0.7  0.6 11816976 100100 ?     Ssl  Oct18 153:07 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1232  0.4  0.5 11810236 89332 ?      Ssl  Oct18  89:53 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1248  0.6  0.5 1332664 83804 ?       Ssl  Oct18 127:47 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1274  0.3  0.4 1300692 67960 ?       Ssl  Oct18  62:19 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1277  0.3  0.3 1298372 64828 ?       Ssl  Oct18  61:11 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1335  0.4  0.7 11846880 122396 ?     Ssl  Oct18  89:17 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1337  0.6  0.7 1163264 115624 ?      Ssl  Oct18 137:05 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1385  3.7  3.9 12354288 653852 ?     Ssl  Oct18 754:01 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1387  0.3  0.4 11797452 80548 ?      Ssl  Oct18  66:40 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1457  0.3  0.3 1099104 62204 ?       Ssl  Oct18  62:30 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1458  0.3  0.4 22280876 80308 ?      Ssl  Oct18  63:18 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1514  0.3  0.3 1099492 62620 ?       Ssl  Oct18  62:14 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1515  0.3  0.3 1099364 62772 ?       Ssl  Oct18  62:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1593  0.3  0.3 1099360 62808 ?       Ssl  Oct18  62:27 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1595  0.3  0.3 1099104 62552 ?       Ssl  Oct18  62:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1660  0.3  0.3 1099248 62916 ?       Ssl  Oct18  62:06 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1661  0.3  0.3 1099360 62816 ?       Ssl  Oct18  62:11 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1732  0.3  0.4 1102688 66156 ?       Ssl  Oct18  62:13 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1734  0.3  0.3 1099360 63024 ?       Ssl  Oct18  62:01 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1792  0.4  0.5 11803428 90216 ?      Ssl  Oct18  91:59 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      367378  0.6  0.5 1332588 84124 ?       Ssl  Oct21  96:24 node /home/sasa/miko/miko-hr/api/starter.js
sasa      367471  1.2  1.3 11916872 217072 ?     Ssl  Oct21 187:03 node /home/sasa/miko/miko-hr/server/index.js
www-data 1532237  0.0  0.0   2608   596 ?        S    09:12   0:00 sh -c ps -aux | grep node
www-data 1532239  0.0  0.0   3304   712 ?        S    09:12   0:00 grep node