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$ curl repovive.com/roadmaps/javascript/strings-numbers/rounding-methods

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$ curl repovive.com/roadmaps/javascript/strings-numbers/rounding-methods

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Rounding Methods - Strings & Numbers | JavaScript | Repovive

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JavaScript22 sections · 783 units18h total

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Rounding Methods

floor, ceil, round

Different ways to round numbers:

let n = 4.7

Math.floor(n)  // 4 (round down)
Math.ceil(n)   // 5 (round up)
Math.round(n)  // 5 (round to nearest)
Math.trunc(n)  // 4 (remove decimals)

For negative numbers:

Math.floor(-4.7)  // -5 (toward negative infinity)
Math.ceil(-4.7)   // -4 (toward positive infinity)
Math.trunc(-4.7)  // -4 (toward zero)