<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[jay1587的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/jay1587</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; jay1587]]></copyright><item><title><![CDATA[闲着没事儿，用Canvas与React做一个刮奖,刮刮卡组件吧（已开源）]]></title><link>https://blog.youkuaiyun.com/jay1587/article/details/134139716</link><guid>https://blog.youkuaiyun.com/jay1587/article/details/134139716</guid><author>jay1587</author><pubDate>Tue, 31 Oct 2023 14:29:56 +0800</pubDate><description><![CDATA[适用于刮刮卡,刮奖等业务话不多说，]]></description><category></category></item><item><title><![CDATA[TypeScripe最全教学]]></title><link>https://blog.youkuaiyun.com/jay1587/article/details/118516252</link><guid>https://blog.youkuaiyun.com/jay1587/article/details/118516252</guid><author>jay1587</author><pubDate>Tue, 06 Jul 2021 11:03:23 +0800</pubDate><description><![CDATA[什么是TypeScript
TypeScript是Microsoft公司注册商标。
TypeScript具有类型系统，且是JavaScript的超集。 它可以编译成普通的JavaScript代码。 TypeScript支持任意浏览器，任意环境，任意系统并且是开源的。
安装TypeScript
1、在全局环境里安装TS
npm install -g typescript

2、用 tsc 命令编译 .ts 文件
app.ts 文件：
let title: string = 'JZH'

在命令行里输入以下命令]]></description><category></category></item><item><title><![CDATA[React文本溢出显示省略号失效]]></title><link>https://blog.youkuaiyun.com/jay1587/article/details/118405418</link><guid>https://blog.youkuaiyun.com/jay1587/article/details/118405418</guid><author>jay1587</author><pubDate>Fri, 02 Jul 2021 09:38:07 +0800</pubDate><description><![CDATA[React文本溢出显示省略号失效
多行文本添加一段注释语句
	overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    /* autoprefixer: ignore next */
    -webkit-box-orient: vertical;
    word-wrap: break-word;


...]]></description><category></category></item><item><title><![CDATA[JS判断数据类型的四种方式]]></title><link>https://blog.youkuaiyun.com/jay1587/article/details/115765267</link><guid>https://blog.youkuaiyun.com/jay1587/article/details/115765267</guid><author>jay1587</author><pubDate>Fri, 16 Apr 2021 16:14:47 +0800</pubDate><description><![CDATA[JS 判断数据类型的四种方式
1. typeof 判断数据类型

typeof 只能判断基本数据类型
判断复杂数据类型会返回 object

let arr = [1, 2, 3, 4, 5]
let obj = { a: 'jack', b: 'rose' }
let str = 'csdn'
let num = 1587
let bool = true
let und = undefined
let nl = null
let sy = Symbol('csdn')
let nums = NaN
fun]]></description><category></category></item><item><title><![CDATA[JavaScript数组去重]]></title><link>https://blog.youkuaiyun.com/jay1587/article/details/115525444</link><guid>https://blog.youkuaiyun.com/jay1587/article/details/115525444</guid><author>jay1587</author><pubDate>Thu, 08 Apr 2021 17:07:28 +0800</pubDate><description><![CDATA[1-Set方法
var myarr = [9, 5, 4, 6, 4, 3, 7, 6, 7, 6, 5, 5, 4]
function SetArr1(arr) {
  //Set只能存在唯一值
    let newArr = new Set(arr)
    return Array.from(newArr)
}
 console.log(SetArr1(myarr));

2-定义空数组，for循环遍历比较新旧数组
var myarr = [9, 5, 4, 6, 4, 3, 7, 6, 7, 6,]]></description><category></category></item></channel></rss>