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js-types-n-oop.js
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@ -68,11 +68,10 @@
// Numbers also have several limitations: // Numbers also have several limitations:
// //
// - precision, rounding errors and fractions // - precision, rounding errors and fractions (IEEE-754)
0.1 + 0.2 == 0.3 // -> false 0.1 + 0.2 == 0.3 // -> false
// This is due to how floating point numbets ate traditionally // XXX
// implemented on CPUs, see: IEEE-754
// - large number rounding // - large number rounding
Number.MAX_SAFE_INTEGER + 10 - 10 == Number.MAX_SAFE_INTEGER Number.MAX_SAFE_INTEGER + 10 - 10 == Number.MAX_SAFE_INTEGER
@ -191,7 +190,7 @@
[42] instanceof Array // -> true [42] instanceof Array // -> true
// but since all objects are objects the test can get quite generic // but since all objects are objects the test can get quite generic (XXX)
[42] instanceof Object // -> true [42] instanceof Object // -> true
{} instanceof Object // -> true {} instanceof Object // -> true