Test JS script file

Selected file: 018number_isNaN.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 - 018number_isNaN.js ::..

/**
 * Check if the result is NaN
 */

var y, tf;

y = parseInt('some text', 10);

tf = isNaN(y) ? 'Result is not number (NaN)' : 'Result is not NaN, probably is number.';

console.log(tf);
 

..:: NodeJS Console - 018number_isNaN.js ::..

$ node 018number_isNaN.js 
Result is not number (NaN)

$ps -aux | grep node (list all node processes)
sasa        1194  0.5  0.5 1304220 82916 ?       Ssl  Oct24 486:49 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa        1200  1.0  0.8 11723376 138752 ?     Ssl  Oct24 868:19 node /home/sasa/dex8/dex8-api/starter.js
sasa        1208  0.4  0.4 1305000 74220 ?       Ssl  Oct24 351:10 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1224  0.9  0.6 11834272 114516 ?     Ssl  Oct24 829:20 node /home/sasa/dex8/dex8-www/server/index.js
sasa        1236  0.6  0.6 11811852 99864 ?      Ssl  Oct24 553:05 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1255  0.9  0.5 1330860 84360 ?       Ssl  Oct24 750:16 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa        1257  0.4  0.4 1304920 73528 ?       Ssl  Oct24 357:16 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.4  0.4 1298260 66920 ?       Ssl  Oct24 350:53 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  3.9  2.7 12140000 448524 ?     Rsl  Oct24 3324:22 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1449  0.4  0.3 1232616 65156 ?       Ssl  Oct24 369:06 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1529  0.4  0.3 1100900 64632 ?       Ssl  Oct24 368:30 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1606  0.4  0.3 1100900 64916 ?       Ssl  Oct24 369:33 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1607  0.4  0.3 1100900 64760 ?       Ssl  Oct24 368:20 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1705  0.4  0.4 1101928 66376 ?       Ssl  Oct24 367:52 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1706  0.4  0.4 1101668 65524 ?       Ssl  Oct24 367:14 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1805  0.4  0.4 1168224 66684 ?       Ssl  Oct24 368:24 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1807  0.4  0.3 1100640 64380 ?       Ssl  Oct24 359:47 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1885  0.4  0.3 1100136 63744 ?       Ssl  Oct24 361:34 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1886  2.5  1.0 11871844 174628 ?     Ssl  Oct24 2082:54 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      400948  0.3  0.4 1101148 65840 ?       Ssl  03:02   1:33 node /home/sasa/dex8/dex8-worker/starter.js
www-data  429278  0.0  0.0   2608   596 ?        S    10:21   0:00 sh -c ps -aux | grep node
www-data  429280  0.0  0.0   3304   720 ?        S    10:21   0:00 grep node
sasa     2628167  1.0  0.8 1175656 132456 ?      Ssl  Nov04 683:21 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.7  0.6 11824520 101340 ?     Ssl  Nov06 495:03 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11798920 83536 ?      Ssl  Nov06 339:39 node /home/sasa/@mikosoft/dodo-examples/server/index.js