Lea Verou • 2/12/2009

Extend Math.round, Math.ceil and Math.floor to allow for precision

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This technical article explains how to extend JavaScript's native Math.round, Math.ceil, and Math.floor functions to accept precision parameters, allowing developers to round numbers to specific decimal places without repetitive code. It provides implementation examples, discusses code optimization using loops to avoid repetition, and analyzes the performance implications of these extensions.

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#JavaScript #dry principle #Math Functions
Extend Math.round, Math.ceil and Math.floor to allow for precision

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