Test JS script file

Selected file: 040bool_truthy.js
Compare console.log() outputs in browser and NodeJS.
Notice: Open browser's console in FireBUG!

  1. 001syntax_unicode.js
  2. 010number_DecToHex.js
  3. 011number_HexToDec.js
  4. 012number_toExponential.js
  5. 013number_modulo.js
  6. 014number_division_by_zero.js
  7. 015number_NaN.js
  8. 016number_infinity.js
  9. 017number_isFinite.js
  10. 018number_isNaN.js
  11. 019number_negative_zero.js
  12. 020number_float_rounding_error.js
  13. 030string_htmlTags.js
  14. 030string_multiline.js
  15. 031string_length.js
  16. 032string_concatenate.js
  17. 032string_concatenate2.js
  18. 033string_minus.js
  19. 035stringmethods_charAt.js
  20. 035stringmethods_concate.js
  21. 035stringmethods_indexOf.js
  22. 035stringmethods_match.js
  23. 035stringmethods_match_memory.js
  24. 035stringmethods_replace.js
  25. 035stringmethods_search.js
  26. 035stringmethods_split.js
  27. 035stringmethods_toString.js
  28. 035stringmethods_toUpperCase.js
  29. 035stringmethods_trim.js
  30. 036string_regexTest.js
  31. 040bool_falsy.js
  32. 040bool_truthy.js
  33. 041bool_comparison.js
  34. 042bool_conditional_operator.js
  35. 043bool_logic_operators.js
  36. 044bool_not_exe_function.js
  37. 050null_typeof.js
  38. 051null_comparison.js
  39. 053undefined_var.js
  40. 054ReferenceError.js
  41. 055global_object_browser.js
  42. 055global_object_node.js
  43. 056global_properties_browser.js
  44. 056global_properties_node.js
  45. 057wrapper_object.js
  46. 058wrapper_object_readonly.js
  47. 60object_reference.js

..:: Source code - 040bool_truthy.js ::..

/**
 * Examples of truthy values
 */


//The following returns true
console.log(Boolean(3));
console.log(Boolean('Some string'));
console.log(Boolean("Another string"));
console.log(Boolean({})); //empty object
console.log(Boolean([])); //empty array
 

..:: NodeJS Console - 040bool_truthy.js ::..

$ node 040bool_truthy.js 
true
true
true
true
true

$ps -aux | grep node (list all node processes)
sasa        1197  1.3  0.6 1325708 98588 ?       Ssl  Oct18 307:49 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1211  8.6  0.7 11710212 115844 ?     Ssl  Oct18 1922:06 node /home/sasa/dex8/dex8-api/starter.js
sasa        1218  0.4  0.5 11801072 84624 ?      Ssl  Oct18  98:12 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1219  0.7  0.5 11806284 96236 ?      Ssl  Oct18 171:04 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1232  0.4  0.5 11806908 89464 ?      Ssl  Oct18 100:56 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1248  0.6  0.5 1339320 85152 ?       Ssl  Oct18 142:38 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1274  0.3  0.4 1300692 68144 ?       Ssl  Oct18  69:26 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1277  0.3  0.3 1298272 64628 ?       Ssl  Oct18  68:15 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1335  0.4  0.8 11861728 138620 ?     Ssl  Oct18 100:01 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1337  0.6  0.7 1163528 116300 ?      Ssl  Oct18 151:47 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1385  3.7  3.9 12338572 640064 ?     Ssl  Oct18 822:46 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1387  0.3  0.4 11797452 80656 ?      Ssl  Oct18  74:39 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1457  0.3  0.3 1099616 62460 ?       Ssl  Oct18  69:41 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1458  0.3  0.4 22278316 77560 ?      Ssl  Oct18  70:43 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1514  0.3  0.3 1100004 63512 ?       Ssl  Oct18  69:24 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1515  0.3  0.3 1099620 63400 ?       Ssl  Oct18  69:17 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1593  0.3  0.3 1099616 63452 ?       Ssl  Oct18  69:38 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1595  0.3  0.3 1099872 63596 ?       Ssl  Oct18  69:28 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1660  0.3  0.3 1099760 63396 ?       Ssl  Oct18  69:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1661  0.3  0.3 1099360 63144 ?       Ssl  Oct18  69:22 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1732  0.3  0.3 1099616 63064 ?       Ssl  Oct18  69:24 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1734  0.3  0.3 1099616 63776 ?       Ssl  Oct18  69:11 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1792  0.4  0.5 11803772 91940 ?      Ssl  Oct18 106:32 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      367378  0.6  0.5 1331052 84096 ?       Ssl  Oct21 111:40 node /home/sasa/miko/miko-hr/api/starter.js
sasa      367471  1.2  1.0 11872840 172888 ?     Ssl  Oct21 216:46 node /home/sasa/miko/miko-hr/server/index.js
www-data 1703039  0.0  0.0   2608   600 ?        S    22:40   0:00 sh -c ps -aux | grep node
www-data 1703041  0.0  0.0   3304   656 ?        S    22:40   0:00 grep node