Force decimal point instead of comma in HTML5 number input client-side

Question

I have seen that some browsers localize the input type  number  notation of numbers    So now  in fields where my application displays longitude and latitude coordinates  I get stuff like  51 983  where it should be  51 982559   My workaround is to use input type  text  instead  but I d like to use the number input with correct display of decimals   Is there a way to force browsers to use a decimal point in the number input  regardless of client-side local settings    It goes without saying that in my application I anyway correct this on the server side  but in my setup I also need it to be correct on the client side  because of some JavaScript     Thanks in advance   UPDATE As of right now  checking in Chrome Version 28 0 1500 71 m on Windows 7  the number input just does not accept decimals formatted with a comma  Proposed suggestions with the stepattribute do not seem to work   http   jsfiddle net AsJsj

User · Answer

Use lang attribut on the input  Locale on my web app fr FR  lang  en EN  on the input number and i can use indifferently a comma or a dot  Firefox always display a dot  Chrome display a comma  But both separtor are valid

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I needed to ensure values can still be entered with a comma instead of a point as a decimal separator  This seems to be an age-old problem  Background info can be found following these links    https   www slightfuture com webdev html5-input-number-localization html https   codepen io aminimalanimal full bdOzRG   I finally solved it with a little bit of jQuery  Replacing the commas with dots onChange  This seems to be working good so far in latest Firefox  Chrome and Safari      input type number    each function           this  change function           var  replace     this  val   toString   replace    g               this  val  replace

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With the step attribute specified to the precision of the decimals you want  and the lang attribute  which is set to a locale that formats decimals with period   your html5 numeric input will accept decimals  eg  to take values like 10 56  i mean 2 decimal place numbers  do this    lt input type  number  step  0 01  min  0  lang  en  value  1 99  gt    You can further specify the max attribute for the maximum allowable value   Edit Add a lang attribute to the input element with a locale value that formats decimals with point instead of comma

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I have written a custom piece of code to do this  If you want to replace   with    remove translate decimals functions completely    x000D   x000D  var input   document querySelector  input role  custom-number      x000D  var bincr   document querySelector  button role  increment      x000D  var bdecr   document querySelector  button role  decrement      x000D   x000D  function translate decimals side   0  x000D    x000D   input value    side          input value replace            input value replace            x000D    x000D  translate decimals       x000D   x000D  bincr addEventListener  click       gt   x000D   if  input hasAttribute  max    x000D     x000D    if  input value substr 0 input getAttribute  max   length     input getAttribute  max   substr 0 input getAttribute  max   length   x000D      x000D     return  x000D      x000D    else x000D      x000D     translate decimals       x000D     let temp   input value  x000D     input value       x000D     input value    input hasAttribute  step      parseFloat temp    parseFloat input getAttribute  step       temp     x000D     translate decimals       x000D      x000D     x000D      x000D   x000D  bdecr addEventListener  click       gt   x000D   if  input hasAttribute  min    x000D     x000D    if  input value substr 0 input getAttribute  min   length     input getAttribute  min   substr 0 input getAttribute  min   length   x000D      x000D     return  x000D      x000D    else x000D      x000D     translate decimals       x000D     input value    input hasAttribute  step      input value - input getAttribute  step      input value--   x000D     translate decimals       x000D      x000D     x000D      x000D     styling increment  amp  decrement buttons    x000D  button role  increment    x000D  button role  decrement     x000D   width 32px  x000D    x000D   lt input type  text  role  custom-number  step  0 01  min  0  max  0  lang  en  value  1 99  gt  x000D   lt button role  increment  gt   lt  button gt  x000D   lt button role  decrement  gt - lt  button gt  x000D   x000D   x000D

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one option is javascript parseFloat       never do parse a  text chain  -- gt  12 3456 with point to a int    123456  int remove the point  parse a text chain to a FLOAT     to send this coords to a server do this sending a text chain  HTTP only sends TEXT  in the client keep out of parsing the input coords with  int   work with text strings  if you print the cords in the html with php or similar    float to text and print in html

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According to the spec  You can use any as the value of step attribute    lt input type  number  step  any  gt

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Have you considered using Javascript for this      input   val    input   val   replace

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HTML  step Attribute   lt input type  number  name  points  step  3  gt       Example  if step  3   legal numbers could be -3  0  3  6  etc     nbsp      Tip  The step attribute can be used together with the max and min attributes to create a range of legal values    Note  The step attribute works with the following input types  number  range  date  datetime  datetime-local  month  time and week

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Sadly  the coverage of this input field in the modern browsers is very low   http   caniuse com  feat input-number  Therefore  I recommend to expect the fallback and rely on a heavy-programmatically-loaded input type text  to do the job  until the field is generally accepted    So far  only Chrome  Safari and Opera have a neat implementation  but all other browsers are buggy  Some of them  don t even seem to support decimals  like BB10

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use the pattern   lt input         type  number          name  price         pattern   0-9         0-9              step  0 01         title  This should be a number with up to 2 decimal places    gt    good luck

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I found a blog article which seems to explain something related  HTML5 input type number and decimals floats in Chrome  In summary    the step helps to define the domain of valid values the default step is 1 thus the default domain is integers  between min and max  inclusive  if given    I would assume that s conflating with the ambiguity of using a comma as a thousand separator vs a comma as a decimal point  and your 51 983 is actually a strangely-parsed fifty-one thousand  nine hundred and eight-three   Apparently you can use step  any  to widen the domain to all rational numbers in range  however I ve not tried it myself   For latitude and longitude I ve successfully used    lt input name  lat  type  number  min  -90 000000  max  90 000000  step  0 000001  gt   lt input name  lon  type  number  min  -180 000000  max  180 000000  step  0 000001  gt    It might not be pretty  but it works

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1  51 983 is a string type number does not accept comma   so u should set it as text   lt input type  text  name  commanumber  id  commanumber  value  1 99  step  0 01  min  0    gt    replace   with    and change type attribute to number    document  ready function         var s       commanumber   val   replace     g                   commanumber   attr  type   number               commanumber   val s            Check out http   jsfiddle net ydf3kxgu   Hope this solves your Problem

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I don t know if this helps but I stumbled here when searching for this same problem  only from an input point of view  i e  I noticed that my  lt input type  number    gt  was accepting both a comma and a dot when typing the value  but only the latter was being bound to the angularjs model I assigned to the input   So I solved by jotting down this quick directive    directive  replaceComma   function         return           restrict   A           link  function scope  element                element on  keydown   function e                    if e keyCode     188                        this value                             e preventDefault                                                             Then  on my html  simply   lt input type  number  ng-model  foo  replace-comma   gt  will substitute commas with dots on-the-fly to prevent users from inputting invalid  from a javascript standpoint  not a locales one   numbers  Cheers

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As far as I understand it  the HTML5 input type  number always returns input value as a string     Apparently  input valueAsNumber returns the current value as a floating point number   You could use this to return a value you want     See http   diveintohtml5 info forms html type-number

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Currently  Firefox honors the language of the HTML element in which the input resides  For example  try this fiddle in Firefox   http   jsfiddle net ashraf sabry m yzzhop75 1   You will see that the numerals are in Arabic  and the comma is used as the decimal separator  which is the case with Arabic  This is because the BODY tag is given the attribute lang  ar-EG    Next  try this one   http   jsfiddle net ashraf sabry m yzzhop75 2   This one is displayed with a dot as the decimal separator because the input is wrapped in a DIV given the attribute lang  en-US    So  a solution you may resort to is to wrap your numeric inputs with a container element that is set to use a culture that uses dots as the decimal separator

[html] Force decimal point instead of comma in HTML5 number input (client-side)

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