..:: 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 1304644 83064 ?       Ssl   2025 1061:52 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1208  0.3  0.4 1305000 72992 ?       Ssl   2025 762:19 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.8  0.7 11828088 119240 ?     Ssl   2025 1683:17 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.5  0.6 11819064 105752 ?     Ssl   2025 1205:59 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1304920 73672 ?       Ssl   2025 773:50 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1301872 71788 ?       Ssl   2025 760:54 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.4  2.8 12156796 466520 ?     Ssl   2025 9406:10 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  3.2  2.0 12008120 329824 ?     Ssl   2025 6891:20 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1214480  0.4  0.7 22311424 126084 ?     Ssl   2025 471:22 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1100800 65244 ?       Ssl   2025 399:56 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.4 1102596 67488 ?       Ssl   2025 398:56 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1101800 65484 ?       Ssl   2025 401:40 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.3 1100804 64544 ?       Ssl   2025 399:52 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1102720 67272 ?       Ssl   2025 398:48 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.3 1100136 64536 ?       Ssl   2025 393:05 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1100128 63680 ?       Ssl   2025 391:31 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.7  0.7 11708808 124768 ?     Ssl   2025 836:25 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1100536 64740 ?       Ssl   2025 398:21 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1953746  0.3  0.3 1098588 62968 ?       Ssl  03:03   2:13 node /home/sasa/dex8/dex8-worker/starter.js
www-data 2004552  0.0  0.0   2608   592 ?        S    14:21   0:00 sh -c ps -aux | grep node
www-data 2004554  0.0  0.0   3304   720 ?        S    14:21   0:00 grep node
sasa     2509059  0.5  0.6 11825120 102440 ?     Ssl  Feb14 281:45 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.8  0.8 1177688 133484 ?      Ssl   2025 1694:22 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.5 11812496 95888 ?      Ssl   2025 1213:17 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799176 85440 ?      Ssl   2025 992:25 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.6  0.5 1330104 82396 ?       Ssl  Feb21 237:41 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js