Numbers in JavaScript, or why 10000000000000000 === 10000000000000001 == true - Evan Farrer
www.utahjs.com
2016 UtahJS Conference
Friday, September 16, 2016
Slides: https://docs.google.com/presentation/...
Here is a general outline of what I would like to present: 1. Introduction to number bases a. Counting in base 10 b. Counting in base 2 2. Common representing numbers on computers a. Integers i. Representation ii. Two’s complement iii. Precision and rounding errors b. Floats i. Representation ii. Mantissa and exponent iii. Precision and rounding errors 3. JavaScript a. Why JavaScript only has floats i. What about parseInt? b. Numbers must be rounded to nearest representation c. Representation of 10000000000000000 as a float d. Representation of 10000000000000001 as a float e. Arguments for and against adding integers to JavaScript. 4. Conclusion and questions.
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