# Javascript To Correct

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There is a method of the Number object in JavaScript that allows us to set a fixed decimal point on a number and then return it as a string. This article will talk about the syntax of this method and show you how to use it.

When we talk about primitives in JavaScript, we are talking about elements that are not objects and to which no method is associated. When we want to take a primitive value and make it an object, we can do it with primitive envelopes which can bypass the value or the data type.

Numbers have a primitive wrapper object. We use it to transform the string representations of a number into an actual Number object with methods we can apply on it.

For example, let’s say we have a string representation of a number because we have a form that requires the user to enter a numeric value for a field on the screen . We can take this input, turn it into a number, and then use any number of methods to work with that value.

Here we have used the toFixed () method of the Number object to make the number the desired length. The syntax of the method is as follows:

If you are dealing with forms, there is one thing you should remember: these values ‚Äã‚Äãcome in the form of strings. So, to use the `toFixed ()` method on them, you need to turn them into numeric representations.

We do it here by wrapping the entries with the Number wrapper (n ). The first variable, x, is the floating point number you want to shorten (or lengthen as appropriate). The second variable, y, is the number of places where you want the number to exceed the decimal point.

Try a few of these numbers to see what you get in the code editor:

As you can see the number of digits adjusts according to the y variable entered in the Num Places entry. If the number is not long enough to compensate for the Num Places value, it will fill the string with zeros until it reaches the desired length.

If the number is long and the Num The places entry is shorter than the available digits after the decimal point, the number will be shortened and rounded off to return the representation as a string desired number.

Note : If you want to use it as a number in your logic after it has been manipulated and returned, you will have need to transform it back to a number using the primitive digital wrapper like we did above.

### What should you learn next ?

JavaScript Random Number: a complete guide

JavaScript ParseInt: a step-by-step guide

JavaScript countdown: a tutorial

JavaScript toString

We hope this article has helped you to resolve the problem. Apart from Javascript To Correct, check other code Python module-related topics.

Want to excel in Python? See our review of the best Python online courses 2023. If you are interested in Data Science, check also how to learn programming in R.

By the way, this material is also available in other languages:

Oliver Schteiner

Texas | 2023-02-05

Simply put and clear. Thank you for sharing. Javascript To Correct and other issues with zeros was always my weak point 😁. Will get back tomorrow with feedback

Manuel Jackson

Boston | 2023-02-05

Simply put and clear. Thank you for sharing. Javascript To Correct and other issues with DOM PHP module was always my weak point 😁. Checked yesterday, it works!

Cornwall Nickolson

Prague | 2023-02-05

I was preparing for my coding interview, thanks for clarifying this - Javascript To Correct in Python is not the simplest one. Will get back tomorrow with feedback

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