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Lodash _.round() Method - GeeksforGeeks

Last Updated : 02 Sep, 2024

Lodash _.round() method is used to compute numbers rounded to precision.

Lodash is a JavaScript library that works on the top of underscore.js. Lodash helps in working with arrays, strings, objects, numbers, etc.

_.round(number, [precision = 0])

This method accepts two parameters as mentioned above and described below:

• number: This parameter holds the number to round.
• [precision = 0]: This parameter holds the precision to round to.

This method returns the rounded number.

Example 1: In this example, the lodash library's _.round() method is used to round the number 7.56 to the nearest integer, resulting in the output value of 8.

// Requiring the lodash library  
const _ = require("lodash");  
  
// Use of _.round()  
// method 
let gfg = _.round(7.56); 
      
// Printing the output  
console.log(gfg); 

Output:

8

Example 2: In this example, the lodash library's _.round() method is applied to round the number 9.005 to 2 decimal places, resulting in the output value of 9.01.

// Requiring the lodash library  
const _ = require("lodash");  
  
// Use of _.round()  
// method 
let gfg = _.round(9.005, 2); 
      
// Printing the output  
console.log(gfg); 

Output:

9.01

Example 3: In this example, the lodash library's _.round() method is utilized to round the number 1980 to the nearest hundred (with -2 decimal places), resulting in the output value of 2000.

// Requiring the lodash library  
const _ = require("lodash");  
  
// Use of _.round()  
// method 
let gfg = _.round(1980, -2); 
      
// Printing the output  
console.log(gfg); 

Output:

2000

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