How to get the first four decimal numbers in Javascript using math.ceil?

Question

Currently have the following javascript code:

div.html( Drupal.t("Date")+": "+d.date+"</br>"+Drupal.t("Value")+": " + (d.value))

Value that i'm getting is 0.1651859999999985 . I wanna round it off to the first four decimal numbers. Any help? I tried Math.ceil(d.value*10)/10) but it was only getting the first decimal :( Any help? I wanna get 0.1652

`Math.ceil(d.value*(10**))/10**` where n is the number of decimal places needed — Sajal Preet Singh, Oct 17 '18 at 11:03
Welcome to the site! Please do check the indicated question "How to round up a number in Javascript?" -> more generic and has more perspectives / answers. — BogdanBiv, Oct 17 '18 at 14:19
@SajalPreetSingh it wasn't working :( 823.124148336763 is converting to 823.1242 instead of just 823.1241 — Milk Magic, Oct 17 '18 at 14:34
10** actually means 10 raised to the power of . So 10**4 means 10000. — BogdanBiv, Oct 17 '18 at 14:43

BogdanBiv · Answer 1 · 2018-10-17T14:42:05.687

0

Should be Math.ceil(d.value*10000)/10000 example:

console.log(Math.ceil(0.1683123*10000)/10000)
console.log(Math.ceil(823.124148336763*10000)/10000) // round up to the ceiling
console.log(Math.floor(823.124148336763*10000)/10000) // round down to the floor
console.log(Math.round(823.124148336763*10000)/10000) // below .5 -> down, above .5 -> up

edited Oct 17 '18 at 14:42

answered Oct 17 '18 at 11:06

BogdanBiv

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It was working, but now you've broken it?? – Liam Oct 17 '18 at 14:03
Yes, I did, it appears I have misread the requirement of the first decimal digits to mean that s/he needs just the digits like 1683 in the example above. – BogdanBiv Oct 17 '18 at 14:14
@BogdanBiv What's your correct answer? 823.124148336763*(10**4))/10**4) isn't working :( – Milk Magic Oct 17 '18 at 14:33

How to get the first four decimal numbers in Javascript using math.ceil?

1 Answers1