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basic arithmetic *doesn't* work

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It's not really true that arithmetic is accurate in JavaScript.
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i 2014-10-28 03:11:59 -04:00
parent e126fec972
commit eb43eb7ccd
1 changed files with 4 additions and 3 deletions
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@ -39,13 +39,14 @@ doStuff()
// 1. Numbers, Strings and Operators // 1. Numbers, Strings and Operators
// JavaScript has one number type (which is a 64-bit IEEE 754 double). // JavaScript has one number type (which is a 64-bit IEEE 754 double).
// As with Lua, don't freak out about the lack of ints: doubles have a 52-bit // Doubles have a 52-bit mantissa, which is enough to store integers
// mantissa, which is enough to store integers up to about 9✕10¹⁵ precisely. // up to about 9✕10¹⁵ precisely.
3; // = 3 3; // = 3
1.5; // = 1.5 1.5; // = 1.5
// All the basic arithmetic works as you'd expect. // Some basic arithmetic works as you'd expect.
1 + 1; // = 2 1 + 1; // = 2
.1 + .2; // = 0.30000000000000004
8 - 1; // = 7 8 - 1; // = 7
10 * 2; // = 20 10 * 2; // = 20
35 / 5; // = 7 35 / 5; // = 7