03fun_parameter_callback.js evaluate

..:: 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 ::..

$ node 03fun_parameter_callback.js

$ps -aux | grep node (list all node processes)
sasa        1273  0.6  0.4 1302908 80332 ?       Ssl  Sep21 210:42 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1293  1.2  0.8 11723192 137016 ?     Ssl  Sep21 413:53 node /home/sasa/dex8/dex8-api/starter.js
sasa        1298  0.4  0.4 1304348 72640 ?       Ssl  Sep21 160:30 node /home/sasa/regoch/regoch-www/server
sasa        1309  0.4  0.4 1299932 66720 ?       Ssl  Sep21 146:19 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1320  0.9  0.6 11810752 102724 ?     Ssl  Sep21 307:34 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1329  0.6  0.5 11806180 93276 ?      Ssl  Sep21 214:00 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1340  0.8  0.5 1198776 82132 ?       Ssl  Sep21 280:31 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1357  0.4  0.4 1302964 71960 ?       Ssl  Sep21 147:34 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1381  0.4  0.4 1297080 65568 ?       Ssl  Sep21 145:17 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1417  0.7  0.5 11821292 96644 ?      Ssl  Sep21 233:29 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1474  0.8  1.4 11973864 244432 ?     Ssl  Sep21 270:40 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1477  0.4  0.4 11794680 77484 ?      Ssl  Sep21 158:54 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1966  0.9  0.7 11832644 130444 ?     Ssl  Sep21 325:12 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1041499  0.8  0.8 22323020 138480 ?     Ssl  Sep27 200:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041553  2.2  0.9 22326636 148060 ?     Ssl  Sep27 532:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041586  0.4  0.4 1102184 67784 ?       Ssl  Sep27 104:55 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041612  0.4  0.4 1101408 66172 ?       Ssl  Sep27 104:48 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041650  0.4  0.4 1102176 67168 ?       Ssl  Sep27 105:21 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041678  0.4  0.4 1101924 66916 ?       Ssl  Sep27 105:04 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041713  0.4  0.3 1100900 64828 ?       Ssl  Sep27 104:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041745  0.4  0.4 1101668 66612 ?       Ssl  Sep27 104:54 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041773  0.4  0.3 1100388 65220 ?       Ssl  Sep27 101:51 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1041811  0.4  0.3 1100896 65304 ?       Ssl  Sep27 102:36 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1372804 16.0  0.2 993156 48512 ?        Rsl  01:44   0:00 node /usr/local/lib/node_modules/pm2/lib/ProcessContainerFork.js
www-data 1372820  0.0  0.0   2608   528 ?        S    01:44   0:00 sh -c ps -aux | grep node
www-data 1372822  0.0  0.0   3304   648 ?        R    01:44   0:00 grep node
sasa     4036687  0.6  0.5 1138768 93508 ?       Rsl  Oct13   5:37 node /home/sasa/voovuu/voovuu-api/starter.js

Test JS script file

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

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