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Aprende Number 2/3 | Data Types and Variables
Introduction to JavaScript

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Number 2/3

Rounding of Numbers

Rounding is one of the most frequent operations on the numbers. JavaScript provides several built-in functions for rounding which are given in the below table.

FunctionDescriptionExample
Math.floor()Rounds off to the lower limit3.1 becomes 3, and -1.1 becomes -2.
Math.ceil()Rounds off the number to the upper limit3.1 becomes 4, and -1.1 becomes -1.
Math.round()Rounds off the nearest integer when value is equal or greater than .53.1 becomes 3, 3.6 becomes 4, and 3.5 rounds up to 4 (the middle case)
Tarea

Swipe to start coding

A variable named price with the assigned value of 4.7 has been given to you. Your task is to round off this variable such that we get 4 as the output.

Solución

let price = 4.7;
console.log(Math.floor(price));

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Sección 3. Capítulo 13
let price = 4.7;

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