..:: 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        1194  0.5  0.5 1304868 86432 ?       Ssl   2025 760:30 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1305256 72796 ?       Ssl   2025 552:30 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.8  0.7 11839632 119308 ?     Ssl   2025 1246:31 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.6  0.6 11819944 102776 ?     Ssl   2025 873:39 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1255  0.8  0.5 1331116 84660 ?       Ssl   2025 1201:32 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1257  0.3  0.4 1306200 72608 ?       Ssl   2025 561:46 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1298028 67428 ?       Ssl   2025 551:42 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.4  2.8 12168060 467464 ?     Ssl   2025 6404:40 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  2.9  1.4 11934952 240112 ?     Ssl   2025 4230:45 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      702668  0.3  0.4 1102684 67448 ?       Ssl  03:03   1:47 node /home/sasa/dex8/dex8-worker/starter.js
www-data  747314  0.0  0.0   2608   596 ?        S    12:27   0:00 sh -c ps -aux | grep node
www-data  747316  0.0  0.0   3304   660 ?        S    12:27   0:00 grep node
sasa     1214480  0.3  0.3 1099656 63480 ?       Ssl   2025 175:36 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1099776 64020 ?       Ssl   2025 176:04 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.3 1099780 64768 ?       Ssl   2025 175:31 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1100264 63856 ?       Ssl   2025 176:49 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1099524 63148 ?       Ssl   2025 175:53 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.3 1099904 64988 ?       Ssl   2025 175:31 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1099880 63852 ?       Ssl   2025 172:51 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1100384 63420 ?       Ssl   2025 172:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.5  0.7 11705764 121376 ?     Ssl   2025 291:58 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1099512 63860 ?       Ssl   2025 174:42 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2628167  0.9  0.7 1175996 130404 ?      Ssl   2025 1185:56 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.6 11825860 101284 ?     Ssl   2025 843:34 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11798920 83908 ?      Ssl   2025 655:14 node /home/sasa/@mikosoft/dodo-examples/server/index.js