This article reprinted address : http://www.cnblogs.com/zuoxiaolong/p/computer11.html2.6 We have a binary integer operation of the last battle, this LZ will join you into the floating point of the world, there is no unsigned, no complement, but
Typeof 17; //
JS only a numeric data type, whether it is an integer or a floating-point number, JS is classified as numbers.
typeof 17; "Number"
typeof 98.6; "Number"
All the digits in JS are double-precision floating-point numbers. is by
Copy Code code as follows:
According to normal calculation, except the first line (because it can not be removed), the other should be accurate results, from the pop-up results we find that is not the correct result
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