..:: 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  0.4  0.5 1306452 85592 ?       Ssl   2025 1340:10 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1303208 71732 ?       Ssl   2025 965:16 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.6 11819604 106524 ?     Ssl   2025 1526:07 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1305176 73580 ?       Ssl   2025 979:11 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1299884 67848 ?       Ssl   2025 963:57 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.5  3.1 12206304 516968 ?     Ssl   2025 12497:45 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  4.2  2.8 12131508 467748 ?     Ssl   2025 11612:13 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.3  0.7 22311168 125664 ?     Ssl   2025 699:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.4 1103360 66844 ?       Ssl   2025 616:58 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1100804 66184 ?       Ssl   2025 615:39 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1101032 65200 ?       Ssl   2025 620:03 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1100548 64760 ?       Ssl   2025 616:59 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1100672 65656 ?       Ssl   2025 615:20 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1100648 65044 ?       Ssl   2025 606:18 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1100128 63372 ?       Ssl   2025 604:05 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.6  0.7 11710796 124008 ?     Ssl   2025 1194:49 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1101048 64944 ?       Ssl   2025 614:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.6 11806556 105236 ?     Ssl  Apr20 168:57 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1904154  0.5  0.5 11807184 96848 ?      Ssl  Apr25  71:51 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.8 1176408 131908 ?      Ssl   2025 2192:26 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     2757401  0.3  0.3 1100380 64972 ?       Ssl  04:03   3:15 node /home/sasa/dex8/dex8-worker/starter.js
www-data 2831780  0.0  0.0   2608   596 ?        S    20:41   0:00 sh -c ps -aux | grep node
www-data 2831782  0.0  0.0   3304   720 ?        S    20:41   0:00 grep node
sasa     3168557  0.6  0.5 11802816 91728 ?      Ssl   2025 1592:00 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799176 84480 ?      Ssl   2025 1317:31 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.7  0.5 1332748 87252 ?       Ssl  Feb21 718:12 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js