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Round up a number in JavaScript

by Mike
Question:
How to round up a number in JavaScript?
Answer:
const num = Math.ceil(12.1);

console.log(num);
Description:

The Math.ceil() function always rounds a number up to the next largest integer.

Reference:
Math.ceil reference
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Tags:
round up, ceil, convert, next integer
Technical term:
Round up a number in JavaScript
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