..:: Source code - 03fun_parameter_callback.js ::..

/**
 * callback as function parameter
 */

//define function with callback
function fja(p1, cb) {
	
	res = p1 +10;
	cb(p1);
}


//define parameters
var x=2;

var cb1 = function(a) { //callback as a variable
	console.log(a);
}


//call function
var res = fja(x, cb1); //2

..:: NodeJS Console - 03fun_parameter_callback.js ::..

2

$ps -aux | grep node (list all node processes)
sasa         831  0.5  0.4 1302600 77868 ?       Ssl  Jun15  92:55 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa         843  0.5  0.6 11699376 101656 ?     Ssl  Jun15  86:55 node /home/sasa/dex8/dex8-api/starter.js
sasa         858  0.4  0.4 1302344 70352 ?       Ssl  Jun15  69:26 node /home/sasa/regoch/regoch-www/server
sasa         867  0.3  0.4 1298572 66416 ?       Ssl  Jun15  65:45 node /home/sasa/dex8/dex8-panel/server/index.js
sasa         886  0.8  0.6 11818692 104988 ?     Ssl  Jun15 141:04 node /home/sasa/dex8/dex8-www/server/index.js
sasa         888  0.5  0.4 11791988 77644 ?      Ssl  Jun15  94:40 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         904  0.7  0.4 1329652 81648 ?       Ssl  Jun15 126:19 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         910  0.3  0.4 1300240 68712 ?       Ssl  Jun15  66:25 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa         969  0.3  0.3 1297484 64832 ?       Ssl  Jun15  65:41 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa         970  0.6  0.5 11820664 95220 ?      Ssl  Jun15 115:59 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1010  0.6  0.6 1145428 100564 ?      Ssl  Jun15 110:08 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1016  0.8  1.1 11878096 185908 ?     Ssl  Jun15 141:39 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1086  0.4  0.4 11794144 77388 ?      Ssl  Jun15  70:56 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1089  0.3  0.3 1099356 64756 ?       Ssl  Jun15  67:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1159  0.3  0.4 22275900 75644 ?      Ssl  Jun15  67:50 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1160  0.3  0.3 1099356 63440 ?       Ssl  Jun15  67:20 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1241  0.3  0.3 1100952 63060 ?       Ssl  Jun15  67:38 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1242  0.4  0.5 22282964 82664 ?      Ssl  Jun15  71:25 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1323  0.3  0.3 1099100 63408 ?       Ssl  Jun15  67:32 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1324  0.3  0.3 1099616 63712 ?       Ssl  Jun15  67:20 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1398  0.3  0.3 1099104 64024 ?       Ssl  Jun15  67:30 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1400  0.3  0.3 1099356 63800 ?       Ssl  Jun15  67:39 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1465  0.3  0.3 1099104 63776 ?       Ssl  Jun15  67:29 node /home/sasa/dex8/dex8-worker/starter.js
sasa      178968  0.8  0.6 11814048 102428 ?     Ssl  Jun17 113:34 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      337381  1.3  0.5 1317612 90340 ?       Ssl  Jun19 144:37 node /home/sasa/crypto/dex-arbitrage-bot/scripts/observer/index2
www-data  869100  0.0  0.0   2608   600 ?        S    22:42   0:00 sh -c ps -aux | grep node
www-data  869102  0.0  0.0   3304   724 ?        S    22:42   0:00 grep node