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        1194  0.5  0.4 1304724 81416 ?       Ssl  Oct24  68:18 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1200  0.8  0.8 11719400 136224 ?     Ssl  Oct24 119:13 node /home/sasa/dex8/dex8-api/starter.js
sasa        1207  0.3  0.4 1302560 70744 ?       Ssl  Oct24  52:09 node /home/sasa/regoch/regoch-www/server
sasa        1208  0.3  0.4 1304144 71160 ?       Ssl  Oct24  49:17 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.8  0.6 11831324 110084 ?     Ssl  Oct24 112:35 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.5  0.5 11811340 94400 ?      Ssl  Oct24  70:03 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1255  0.6  0.5 1329104 82356 ?       Ssl  Oct24  93:54 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1257  0.3  0.4 1300548 67988 ?       Ssl  Oct24  50:08 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.3 1296524 64832 ?       Ssl  Oct24  48:58 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1292  0.5  0.5 11821316 94192 ?      Ssl  Oct24  73:15 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1363  2.5  2.0 12100760 340432 ?     Ssl  Oct24 349:05 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1441  0.3  0.4 11793928 77116 ?      Ssl  Oct24  53:07 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1449  0.3  0.3 1165288 63720 ?       Ssl  Oct24  51:33 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1528  1.5  0.9 22333124 152452 ?     Ssl  Oct24 201:45 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1529  0.3  0.3 1099364 63380 ?       Ssl  Oct24  51:23 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1606  0.3  0.3 1098596 62820 ?       Ssl  Oct24  51:42 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1607  0.3  0.3 1099364 64360 ?       Ssl  Oct24  51:27 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1705  0.3  0.3 1099624 64592 ?       Ssl  Oct24  51:21 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1706  0.3  0.3 1099108 64008 ?       Ssl  Oct24  51:18 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1805  0.3  0.3 1100128 64376 ?       Ssl  Oct24  51:21 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1807  0.3  0.3 1099872 63996 ?       Ssl  Oct24  50:31 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1885  0.3  0.3 1099112 63572 ?       Ssl  Oct24  50:37 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1886  1.0  0.7 11820128 119296 ?     Ssl  Oct24 134:39 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa     1969266  1.0  0.6 1145056 99952 ?       Ssl  Nov01  19:46 node /home/sasa/voovuu/voovuu-api/starter.js
www-data 2087373  0.0  0.0   2608   596 ?        S    22:09   0:00 sh -c ps -aux | grep node
www-data 2087375  0.0  0.0   3304   720 ?        S    22:09   0:00 grep node