Test JS script file

Selected file: 015number_NaN.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 - 015number_NaN.js ::..

/**
 * NaN cases
 */

var y = -0 / 0;

console.log(typeof y); // number
console.log(y); // NaN


var x = parseInt('asas', 10);
console.log(x); // NaN


var z = Math.sqrt(-3);
console.log(z); // NaN
 

..:: NodeJS Console - 015number_NaN.js ::..

$ node 015number_NaN.js 
number
NaN
NaN
NaN

$ps -aux | grep node (list all node processes)
sasa        1208  0.3  0.4 1309664 74052 ?       Ssl   2025 1373:19 node /home/sasa/dex8/dex8-panel/server/index.js
sasa        1236  0.5  0.5 11819180 97228 ?      Ssl   2025 2168:39 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa        1257  0.3  0.4 1313380 73080 ?       Ssl   2025 1390:22 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa        1289  0.3  0.4 1301520 69604 ?       Ssl   2025 1369:57 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa        1363  4.2  3.6 12339124 603596 ?     Ssl   2025 17233:47 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1886  6.7  3.6 12264132 598948 ?     Ssl   2025 27564:23 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      290001  0.3  0.5 22292060 97372 ?      Ssl  Aug02   6:39 node /home/sasa/dex8/dex8-worker/starter.js
www-data  466942  0.0  0.0   2608   592 ?        S    14:11   0:00 sh -c ps -aux | grep node
www-data  466944  0.0  0.0   3304   716 ?        S    14:11   0:00 grep node
sasa     1214480  0.3  0.7 22311168 124768 ?     Ssl   2025 1152:22 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214483  0.3  0.3 1101568 65128 ?       Ssl   2025 1049:48 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214536  0.3  0.3 1100804 65420 ?       Ssl   2025 1048:21 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214544  0.3  0.3 1102312 65416 ?       Ssl   2025 1056:44 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214588  0.3  0.4 1102340 65552 ?       Ssl   2025 1051:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214617  0.3  0.4 1102208 67148 ?       Ssl   2025 1047:42 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214641  0.3  0.4 1168232 66012 ?       Ssl   2025 1038:53 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1214671  0.3  0.3 1099872 63652 ?       Ssl   2025 1034:08 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1215731  0.8  0.7 11845564 124884 ?     Ssl   2025 2684:46 node /home/sasa/dex8/dex8-api/starter.js
sasa     1216489  0.3  0.3 1101304 64716 ?       Ssl   2025 1047:41 node /home/sasa/dex8/dex8-worker/starter.js
sasa     1399960  0.8  0.7 11819552 115640 ?     Ssl  Apr20 1298:40 node /home/sasa/dex8/dex8-www/server/index.js
sasa     1631573  0.4  0.6 1322696 100424 ?      Ssl  May31 462:13 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa     1904154  0.6  0.8 11837044 138132 ?     Ssl  Apr25 968:52 node /home/sasa/miko/miko-hr/server/index.js
sasa     2628167  0.7  0.8 1176540 131512 ?      Ssl   2025 3114:53 node /home/sasa/voovuu/voovuu-api/starter.js
sasa     3168557  0.6  0.6 11837456 114160 ?     Ssl   2025 2407:11 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa     3169051  0.5  0.5 11799488 83616 ?      Ssl   2025 1971:34 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     3264954  0.6  0.5 1333192 86676 ?       Ssl  Feb21 1638:58 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js