..:: Source code - 035stringmethods_indexOf.js ::..

/**
 * String methods: indexOf
 * Return position of substring inside string.
 */
var str, pos1, pos2;

str = "simple example of simple string";

pos1 = str.indexOf('sim');
pos2 = str.indexOf('Sim'); //indexOf is case sensitive


console.log(pos1); // 0
console.log(pos2); // -1
 

..:: NodeJS Console - 035stringmethods_indexOf.js ::..

$ node 035stringmethods_indexOf.js
0
-1
$ps -aux | grep node (list all node processes)
sasa         831  0.4  0.4 1300928 72660 ?       Ssl  Jun15   7:40 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa         843  0.4  0.6 11696264 100792 ?     Ssl  Jun15   7:02 node /home/sasa/dex8/dex8-api/starter.js
sasa         858  0.3  0.3 1032464 60944 ?       Ssl  Jun15   5:36 node /home/sasa/regoch/regoch-www/server
sasa         867  0.3  0.3 1292724 59044 ?       Ssl  Jun15   5:29 node /home/sasa/dex8/dex8-panel/server/index.js
sasa         886  0.7  0.5 11796468 83380 ?      Ssl  Jun15  12:27 node /home/sasa/dex8/dex8-www/server/index.js
sasa         888  0.3  0.4 11789848 73820 ?      Ssl  Jun15   5:55 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         904  0.6  0.4 1329612 81204 ?       Ssl  Jun15  10:02 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         910  0.3  0.3 1295860 63392 ?       Ssl  Jun15   5:30 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa         969  0.3  0.3 1028148 55504 ?       Ssl  Jun15   5:24 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa         970  0.4  0.5 11808304 90288 ?      Ssl  Jun15   7:38 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1010  0.4  0.5 1138968 92504 ?       Ssl  Jun15   7:02 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1016  0.6  0.6 11809688 101456 ?     Ssl  Jun15   9:50 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1086  0.3  0.4 11595744 74792 ?      Ssl  Jun15   5:49 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1089  0.3  0.3 1099612 64952 ?       Ssl  Jun15   5:40 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1159  0.3  0.3 1099616 64516 ?       Ssl  Jun15   5:39 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1160  0.3  0.3 1099612 64364 ?       Ssl  Jun15   5:39 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1241  0.3  0.3 1101208 63044 ?       Ssl  Jun15   5:36 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1242  0.3  0.4 22278332 77708 ?      Ssl  Jun15   5:53 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1323  0.3  0.3 1099612 64292 ?       Ssl  Jun15   5:37 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1324  0.3  0.3 1099872 63912 ?       Ssl  Jun15   5:37 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1398  0.3  0.3 1099616 64760 ?       Ssl  Jun15   5:37 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1400  0.3  0.3 1100124 63880 ?       Ssl  Jun15   5:39 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1465  0.3  0.3 1099872 64104 ?       Ssl  Jun15   5:36 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1475  0.3  0.6 11810084 105612 ?     Ssl  Jun15   6:14 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
www-data   78821  0.0  0.0   2608   536 ?        S    05:32   0:00 sh -c ps -aux | grep node
www-data   78823  0.0  0.0   3304   660 ?        S    05:32   0:00 grep node