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TypeScript - Math.round to 2 decimal places
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In this article, we would like to show you how to round a number to 2 decimal places in TypeScript.
The main concept to get our value rounded to 2 decimal places is to multiply it by 100, round it with Math.round() function and then divide by 100 again.
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const round = (value: number): number => {2
return Math.round(100 * value) / 100; // <----------3
};4
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// Usage example:7
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console.log(round(1.2345)); // 1.239
console.log(round(-1.2345)); // -1.23Output:
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1.232
-1.23