..:: 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         914  0.4  0.5 1306980 84784 ?       Ssl  Aug04 120:21 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa         935  0.6  0.7 11786816 128436 ?     Ssl  Aug04 180:05 node /home/sasa/dex8/dex8-api/starter.js
sasa         938  0.3  0.4 1304976 74332 ?       Ssl  Aug04  95:33 node /home/sasa/regoch/regoch-www/server
sasa         945  0.3  0.4 1299400 65824 ?       Ssl  Aug04  87:16 node /home/sasa/dex8/dex8-panel/server/index.js
sasa         947  0.6  0.6 11825172 104816 ?     Ssl  Aug04 188:58 node /home/sasa/dex8/dex8-www/server/index.js
sasa         966  0.4  0.5 11809232 96916 ?      Ssl  Aug04 130:09 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         980  0.6  0.5 1329944 83004 ?       Ssl  Aug04 166:48 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         997  0.3  0.4 1300684 68200 ?       Ssl  Aug04  88:20 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1021  0.3  0.3 1297656 65324 ?       Ssl  Aug04  87:01 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1065  0.5  0.6 11825504 101032 ?     Ssl  Aug04 141:04 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1074  0.5  0.6 1147628 103116 ?      Ssl  Aug04 142:35 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1136  0.6  0.9 11866436 159084 ?     Ssl  Aug04 171:52 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1148  0.3  0.4 11794388 78284 ?      Ssl  Aug04  94:33 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1197  0.3  0.3 1099116 62904 ?       Ssl  Aug04  89:53 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1199  0.3  0.3 1099872 63680 ?       Ssl  Aug04  89:22 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1308  0.3  0.3 1099616 63804 ?       Ssl  Aug04  89:46 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1325  0.3  0.3 1099360 63700 ?       Ssl  Aug04  89:44 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1393  0.6  0.8 22314068 131884 ?     Ssl  Aug04 183:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1395  0.3  0.3 1099884 63748 ?       Ssl  Aug04  89:58 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1489  0.3  0.3 1099360 63420 ?       Ssl  Aug04  90:04 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1496  0.3  0.3 1100128 64868 ?       Ssl  Aug04  89:29 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1607  0.3  0.3 1099104 63212 ?       Ssl  Aug04  89:42 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1608  0.3  0.3 1099616 64696 ?       Ssl  Aug04  89:12 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1686  0.5  0.6 11810160 108580 ?     Ssl  Aug04 142:39 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1371685  0.3  0.4 11795988 81580 ?      Ssl  Aug16  35:11 node /home/sasa/mikosoft-info/solar-wind-energy/server/index.js
sasa     1460918  0.3  0.3 1298600 63860 ?       Ssl  Aug17  31:11 node /home/sasa/sites-nodejs/oxygen-free-copper/server.js
www-data 2137678  0.0  0.0   2608   592 ?        S    16:51   0:00 sh -c ps -aux | grep node
www-data 2137680  0.0  0.0   3304   724 ?        S    16:51   0:00 grep node