Instead of step="any", which allows for any number of decimal places, use step=".01", which allows up to two decimal places. This rounded the number to 4 decimal places, resulting in … HTML5 Input: Numbers with Decimals HTML5 is a great leap forward, one of the many improvements is form control. Optional. tricky. If this parameter is set, the number will be formatted with a dot (.) problem in format a decimal point number. the decimal point if needed to create the desired decimal length. See MDN docs. myHTMLNumberInput.onchange = setTwoNumberDecimal; or in the HTML code. Examples: number display ----- ----- 1 1.00 1.341 1.34 1.345 1.35 I have been using this: parseFloat(num).toFixed(2); But it’s displaying 1 as 1, rather than 1.00. Here’s another example, this time using N1 to specify that we only want one decimal place: SELECT FORMAT(1, 'N1'); Result: 1.0 But you can also increase the number of decimal places too: SELECT FORMAT(1, 'N7'); Result: 1.0000000 In these examples, the 1 and 7 are known as precision … The number is rounded up, and "0"s are used after the decimal point if needed to create the desired decimal length. To format your numbers to a maximum of two decimal places use the format string {0:0.##} as shown in the below example: Default is -1 (the computer's regional settings are used) IncLeadingDig: Optional. Try submitting a value with more than 2 decimal places: @Ini According to the linked spec (and MDN's docs), the. label_comma () is a special case that inserts a comma every three digits. The string “9.01345” was rounded to 9.01. An integer such as 5 will become “5.00”, with two zeros being appended behind the decimal place. methods: The best way to see all the subtleties of Use (e.g.) for currency display- an integer followed by two decimals. @Michael_B the user is not prevented from typing out a number such as, It should be noted that, while the user may type any number of digits after the decimal place, most browsers will not allow the submission of the form with an invalid value and the CSS selectors. I assume it's so the regex.test doesn't block the DOM. If the user's browser doesn't support the HTML5 pattern validation, my JavaScript snippet doesn't prevent the form from submitting, but it gives a visual cue. I found using jQuery was my best solution. An integer such as 5 will become “5.00”, with two zeros being appended behind the decimal place. Specifies how many decimals. Do PhD students sometimes abandon their original research idea?