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15 lines
568 B
15 lines
568 B
2 months ago
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// @ts-nocheck
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/**
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* 将字符串转换为数字
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* @param val 要转换的字符串
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* @returns 转换后的数字或原始字符串
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*/
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export function toNumber(val: string): number | string {
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const n = parseFloat(val); // 使用 parseFloat 函数将字符串转换为浮点数
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return isNaN(n) ? val : n; // 使用 isNaN 函数判断是否为非数字，返回转换后的数字或原始字符串
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}
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// 示例
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// console.log(toNumber("123")); // 输出: 123
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// console.log(toNumber("3.14")); // 输出: 3.14
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// console.log(toNumber("hello")); // 输出: "hello"
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