Function
一、示例
function calculateTax(income: number, taxYear: number = 2022): number {
if (taxYear < 2024) return income * 1.05;
return income;
}
console.log(calculateTax(10_000, 2022));
二、知识点
- 函数需要返回值
- 函数参数可以指定类型
- 函数参数可设置默认值
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