Heathy帅道康

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---js // 浮点数相乘 解决0.1 + 0.2 = 0.3的问题 function floatNum(n1, n2) { const n1Len = String(n...

// 浮点数相乘 解决0.1 * 0.2 = 0.02的问题 ---js function floatNum(n1, n2) { const n1Len = String(...

1.如何写出自己一个具有forEach功能的api 2.这样我们得到一个跟forEach函数具有一样的功能...

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1.先用ts来表示一个对象 const user2: {[key: string]: string} = { name: "索引签名", age: "28", id: "s...

npm install -g typescript npm install -g ts-node 使用ts-node text.ts来执行ts文件，...

1.https://cn.bing.com/search?q=%E4%B8%8D%E4%BC%9A%E6%94%B9%E5%8F%98%E5%8E%9F%E5%A7%8B%...

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1.使用npm inint -y 快速生成一个package.json包 2.在包对象里面添加type属性，属性值为module, 否则包不会生效 3.在一个工具类函数导出...

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