JavaScript Number toFixed() Method

The toFixed() method converts a number to a string. The toFixed() method rounds the string to a specified number of decimals.

Notes:

• The toFixed() method rounds the number if necessary.
• If the specified number of digits is greater than the actual number of digits after the decimal point, zeros are added to the end of the string representation.
• If the specified number of digits is less than the actual number of digits after the decimal point, the number is rounded.

Syntax:

number.toFixed( value );

Parameters:

• value: It signifies the number of digits to appear after the decimal point.

Return Value:

It returns a number in the string representation. The number has the exact number of digits after the decimal place as mentioned in the toFixed() method. 

Example 1: Using toFixed() method with a parameter 1, displays decimal points to one digit.

let test=213.73145;
console.log(test.toFixed(1));        

213.7

Example 2: Using toFixed() method without any parameter, If there is no parameter specified in the toFixed() method then it doesn't display any digits after the decimal place. 

let test=213.73145;
console.log(test.toFixed());        

214

Example 3: Using toFixed() method with a parameter, If there is a parameter specified in the toFixed() method will return a number represented as a string which will have exactly that number of digits after the decimal place. 

let test=213.73145;
console.log(test.toFixed(3));        

213.731

Example 4: Using toFixed() method where the number is in exponential form. The toFixed() method can be used to convert an exponential number into a string representation with a specific number of digits after the decimal place. 

let test=2.13e+15;
console.log(test.toFixed(2));        

2130000000000000.00

Supported Browsers:

• Google Chrome 1 and above
• Internet Explorer 5.5 and above
• Microsoft Edge 12 and above
• Firefox 1 and above
• Apple Safari 2 and above
• Opera 7 and above

We have a complete list of Javascript Number Objects methods, to check those please go through this Javascript Number Complete reference article.