Make an html number input always display 2 decimal places

Question

I m making a form where the user can enter a dollar amount using an html number input tag   Is there a way to have the input box always display 2 decimal places

User · Answer

An even simpler solution would be this  IF you are targeting ALL number inputs in a particular form      limit number input decimal places to two     input type  number     change function         this value   parseFloat this value  toFixed 2

User · Answer

an inline solution combines Groot and Ivaylo suggestions in the format below   onchange   function el  el value parseFloat el value  toFixed 2     this

User · Answer

Look into toFixed for Javascript numbers  You could write an onChange function for your number field that calls toFixed on the input and sets the new value

User · Answer

What other folks posted here mainly worked  but using onchange doesn t work when I change the number using arrows in the same direction more than once  What did work was oninput  My code  mainly borrowing from MC9000    HTML   lt input class  form-control  oninput  setTwoNumberDecimal this   step  0 01  value  0 00  type  number  name  item amount   id  item amount  gt    JS  function setTwoNumberDecimal el            el value   parseFloat el value  toFixed 2

User · Answer

So if someone else stumbles upon this here is a JavaScript solution to this problem   Step 1  Hook your HTML number input box to an onchange event  myHTMLNumberInput onchange   setTwoNumberDecimal    or in the html code if you so prefer   lt input type  number  onchange  setTwoNumberDecimal  min  0  max  10  step  0 25  value  0 00    gt    Step 2  Write the setTwoDecimalPlace method  function setTwoNumberDecimal event        this value   parseFloat this value  toFixed 2       By changing the  2  in toFixed you can get more or less decimal places if you so prefer

User · Answer

Pure html is not able to do what you want  My suggestion would be to write a simple javascript function to do the roudning for you

User · Answer

You can use Telerik s numerictextbox for a lot of functionality   lt input id  account rate  data-role  numerictextbox  data-format    000  data-min  0 001  data-max  100  data-decimals  3  data-spinners  false  data-bind  value  account rate value  onchange  APP models rates buttons state true      gt    the core code is free to download

User · Answer

The accepted solution here is incorrect   Try this in the HTML    onchange  setTwoNumberDecimal this      and the function to look like      function setTwoNumberDecimal el            el value   parseFloat el value  toFixed 2

[html] Make an html number input always display 2 decimal places

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