Jul 24, 2016 · I am looking for an easy way in JavaScript to check if a number has a decimal place in it (in order to determine if it is an integer). For instance, 23 -> OK 5 -> OK 3.5 …

Nov 13, 2009 · There is a different purely mathematical technique to perform round-to-nearest (using "round half away from zero"), in which epsilon correction is applied before calling the …

May 26, 2011 · Specify a locale tag as first parameter to control the decimal separator. For a dot, use for example English U.S. locale: num.toLocaleString("en-US", { maximumFractionDigits: 2, …

This is the actual correct answer. I'd just add that for the specific discount scenario, the simplified code would be: var discount = Math.round(10000 * (1 - price / listprice)) / 100; …

Sep 22, 2009 · That is to say that if we have 0.123 * 0.12 then we know that there will be 5 decimal places because 0.123 has 3 decimal places and 0.12 has two. Thus if JavaScript …

Nov 22, 2014 · The version below can handle: string, double and whole integer input, it also ignores any insignificant zeros as was required for my application. Therefore 0.010000 would …

Jul 17, 2012 · JavaScript's Number function can result in some very unexpected return values for certain inputs. You can forgo the call to Number and coerce the string value to an integer by …

Jun 4, 2014 · {{ decimal_value | number:'3.2-5' }} In the above code we are instructing decimal pipe to show atleast 3 integer values before decimal points and minimum 2 fraction digit, …

Oct 3, 2011 · Use Math.trunc() if you care about good code, unless u need a specific amount of decimal place (which your probably in a CS class if that is the case) use …

Jun 28, 2013 · It works by converting the number to a string, splitting at the . and returning the last part of the array, or 0 if the last part of the array is undefined (which will occur if there was no …