[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [mathMin](./rc-js-util.mathmin.md) ## mathMin() function Returns the smaller of the two parameters `a` and `b`. **Signature:** ```typescript export declare function mathMin(a: number, b: number): number; ``` ## Parameters

Parameter	Type	Description
a	number
b	number

**Returns:** number ## Remarks NaN comparison will cause a debug error. Differs from Math.min by taking only 2 arguments, avoids overhead of handling variable number of arguments. See [mathMin()](./rc-js-util.mathmin.md).