I wanted to display a number to 2 decimal places.  I thought I could use toPrecision(2) in JavaScript .  However, if the number is 0.05, I get 0.0500. I'd rather it stay the same.  See it on JSbin.  What is the best way to do this?  I can think...
I heard that you could right-shift a number by .5 instead of using Math.floor(). I decided to check its limits to make sure that it was a suitable replacement, so I checked the following values and got the following results in Google Chrome:   2.5 &g...
I'm new to JavaScript and just discovered toFixed() and toPrecision() to round numbers. However, I can't figure out what the difference between the two is.  What is the difference between number.toFixed() and number.toPrecision()?...
It seems django, or the sqlite database, is storing datetimes with microsecond precision. However when passing a time to javascript the Date object only supports milliseconds:  var stringFromDjango = "2015-08-01 01:24:58.520124+10:00"; var ti...
In javascipt I have av floating point "a" like this:  var a = 5.;   Now I want a new number "b" that is barely larger than "a". I could do this:  var b = a + 1.e-10;   But what if "a" is a really small number?  var a =...
Javascript's toPrecision rounds half up so  (123.46).toPrecision(4)    // 123.5 (123.44).toPrecision(4)    // 123.4   But what is a straightforward method to choose the direction of the rounding (up/ceil or down/floor)? so  (123.46).toPrecisionFl...
I'm struggling to resolve a Floating Point Number issue where var change returns as 0.0999 recurring, and i need to return 0.01 (one penny). The code works fine, except the very last penny, because of this issue. This is my first post here so ple...
Dos it exist a maximum float number with two digits after decimal point that can be parsed with JSON.parse without losing precision?  For example:  JSON.parse('{"amount": 9999999999999.99}')      {amount: 9999999999999.99} // not lose...
I've been reading that the dart2js compiler doesn't support 64 bit integers. Is this because javascript doesn't have a representation for 64-bit integers and stores all numbers as 64-bit double precision values? If so, couldn't intege...
Why is this not a duplicate of these great SO articles?  While the two posts linked in the comments below are excellent I am specifically looking for information that helps me to address this issue in native JS. I know that JS shouldn't be the fi...

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