How do i put 2 decimal places in html?
I used @carpetofgreenness's answer in which you listen for Show Let's say we've got an input with the value of "0.25". The user hits "Backspace", the value turns into "0.20", and it appears impossible to delete any more characters, because "0" is always added at the end by the function. To take care of that, I added a guard clause for when the user deletes a character:
This fixes the bug, but there's still one extra thing to cover - now when the user hits "Backspace" the value "0.25" changes to "0.2", but we still need the two digits to be present in the input when we leave it. To do that we can listen for the I ended up with this solution: This tutorial will teach us how to format a number with two decimals using JavaScript. Formatting a number means rounding the number up to a specified decimal place. In JavaScript, we can apply many methods to perform the formatting. Some of them are listed as follows −
The toFixed() MethodThe toFixed() method formats a number with a specific number of digits to the right of the decimal. it returns a string representation of the number that does not use exponential notation and has the exact number of digits after the decimal place. SyntaxFollowing is the syntax format for a number up to 2 decimals using the toFixed() method − number.toFixed(2); In the above syntax toFixed() is the method of formatting a number with twoIn the above syntax toFixed() is the method of formatting a number with two decimals in JavaScript and number is the number to be formatted with two decimals. Algorithm
Example 1The example below will illustrate numbers before and after formatting in JavaScript.
In the above program, we have used the number.toFixed(2) rounds a number to the number with two decimal positions. 9.1291754 will be rounded down to (9.13). Math.round()The Math.round() method returns the given numeric expression rounded to its nearest number. We will use the method to format a number with two decimals. Please have a look at the below syntax. SyntaxFollowing is the syntax for rounding off a given number in JavaScript − Math.round(num*100)/100; In the above syntax Math.round() is the method of formatting a number and num is the number to be formatted with two decimals. Algorithm
Example 2The example below will illustrate numbers before and after formatting in JavaScript.
In the above program, we have used the Math.round() method which rounds a number to a number with two decimal positions. 9.1291754 will be rounded down to (9.13). Math.floor() MethodThe Math.floor() method returns the greatest integer less than or equal to its argument. But we can use this method to format a number with two decimals. SyntaxFollowing is the syntax to format a number with two decimals using Math.floor() method − Math.floor(num*100)/100 Here num is the number to be formatted with two decimals Example 3In the below example, we format 9.1291754 to a number with two decimals. We use of Math.floor() method for formatting the number.
Math.ceil() MethodThe Math.ceil() method returns the smallest integer greater than or equal to the number. We could apply this method to format a number to the number with two decimals. SyntaxFollowing is the syntax to format a number with twodecimals − Math.ceil(num*100)/100 Here num is the float number to be formatted with two decimals Example 4In the below example, we format 9.1291754 to a number with two decimals We use of Math.ceil() method for formatting the number.
In this tutorial, we have discussed four methods to format a number with two decimals. Please see note the difference between the results in the different examples. Notice why Math.floor() method gives a different result. Can you try with different numbers and find which of the methods gives a different result from the others?
Updated on 05-Sep-2022 07:03:00
How do you put a decimal number in HTML?You can also use a decimal value: for example, a step of 0.3 will allow values such as 0.3, 0.6, 0.9 etc, but not 1 or 2. Now you don't get a validation error. Yay! Also note that if you only want to accept positive numbers, you'll want to add min=”0″.
How do I reduce decimal places in HTML?To recap, you can use the . toFixed() method to limit decimal places.
How do you display upto 2 decimal places?format("%. 2f", 1.23456); This will format the floating point number 1.23456 up-to 2 decimal places, because we have used two after decimal point in formatting instruction %.
|