<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[memoryI的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/memoryI</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; memoryI]]></copyright><item><title><![CDATA[小于10的数字补零，正则]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/122254439</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/122254439</guid><author>memoryI</author><pubDate>Fri, 31 Dec 2021 13:25:56 +0800</pubDate><description><![CDATA[/^\d$/.test(num) ? '0' + num : num


]]></description><category></category></item><item><title><![CDATA[js保留两位小数，整数不补零]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/112524621</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/112524621</guid><author>memoryI</author><pubDate>Tue, 12 Jan 2021 14:18:45 +0800</pubDate><description><![CDATA[关键代码


parseFloat( 数据 .toFixed(2))

实例


parseFloat(99.888888.toFixed(2)) // 输出99.89
parseFloat(99.toFixed(2)) // 输出99


]]></description><category></category></item><item><title><![CDATA[h5页面通过链接跳转另一个公众号]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/112513474</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/112513474</guid><author>memoryI</author><pubDate>Tue, 12 Jan 2021 11:35:59 +0800</pubDate><description><![CDATA[关键内容


https://mp.weixin.qq.com/mp/profile_ext?action=home&amp;__biz= 需要跳转的公众号链接的biz代码 #wechat_redirect

打开微信--&gt;点击通讯录--&gt;点击公众号--&gt;随便点击一个公众号--&gt;点击查看历史消息(下面的第二个按钮)--&gt;点击复制链接地址（页面上方按钮）

我复制的公众号是百世来取的地址，提取__biz=MzA3Mjg3NDE4OA==


https://mp.weixin.q]]></description><category></category></item><item><title><![CDATA[require图片报错Critical dependency: the request of a dependency is an expression]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/108279802</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/108279802</guid><author>memoryI</author><pubDate>Fri, 28 Aug 2020 15:25:26 +0800</pubDate><description><![CDATA[下面的实例会报错

Critical dependency: the request of a dependency is an expression

原因是，require传入一个变量


&lt;template&gt;
  &lt;div&gt;
    &lt;img class="iframe" :src="require(url)" alt /&gt;
  &lt;/div&gt;
&lt;/template&gt;

&lt;script&gt;
export default {
  da.]]></description><category></category></item><item><title><![CDATA[正则表达式 给时间，日期 去零]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/107613636</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/107613636</guid><author>memoryI</author><pubDate>Mon, 27 Jul 2020 15:57:09 +0800</pubDate><description><![CDATA[(this.dateValue, 'MM').replace(/\b(0+)/gi, '')


]]></description><category></category></item><item><title><![CDATA[日期，时间补零]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/107613540</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/107613540</guid><author>memoryI</author><pubDate>Mon, 27 Jul 2020 15:56:09 +0800</pubDate><description><![CDATA[let m = date.getMonth()

// 补零
('0' + m).substring(m.length)


]]></description><category></category></item><item><title><![CDATA[vue中require引入图片或背景图]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/107613123</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/107613123</guid><author>memoryI</author><pubDate>Mon, 27 Jul 2020 15:45:55 +0800</pubDate><description><![CDATA[&lt;template&gt;
  &lt;div class="vote-container"&gt;
      &lt;div class="img" :style="{backgroundImage:'url('+src+')'}"&gt;&lt;/div&gt;
      &lt;img :src="src" /&gt;
  &lt;/div&gt;
&lt;/template&gt;

&lt;script&gt;
export default {
  data() {
    retur.]]></description><category></category></item><item><title><![CDATA[前端html标签拨打电话]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/106942453</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/106942453</guid><author>memoryI</author><pubDate>Wed, 24 Jun 2020 13:47:01 +0800</pubDate><description><![CDATA[实例：

可以用模板字符串


&lt;a href="tel:123456"&gt;&lt;/a&gt;

&lt;a href=`tel:${telphone}`&gt;&lt;/a&gt;


]]></description><category></category></item><item><title><![CDATA[正则数字去零]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/106644259</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/106644259</guid><author>memoryI</author><pubDate>Tue, 09 Jun 2020 15:55:37 +0800</pubDate><description><![CDATA["2020-05-08".split('-').map(val=&gt;val.replace(/\b(0+)/gi, ''))

输出：
["2020", "5", "8"]
]]></description><category></category></item><item><title><![CDATA[数组四个方法，添加删除元素]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/106643906</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/106643906</guid><author>memoryI</author><pubDate>Tue, 09 Jun 2020 15:51:50 +0800</pubDate><description><![CDATA[数组四个方法，添加元素---push---unshift，删除元素---shift---pop




```
push()方法可以在数组的末属添加一个或多个元素
shift()方法把数组中的第一个元素删除
unshift()方法可以在数组的前端添加一个或多个元素
pop()方法把数组中的最后一个元素删除
```



## unshift
数组的开头添加一个或多个元素
```
let arr = [
    {
      key: 1,
      text: "低保居民"
    },
    {
.]]></description><category></category></item><item><title><![CDATA[正则验证手机号（vant实例）]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/106014026</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/106014026</guid><author>memoryI</author><pubDate>Sat, 09 May 2020 10:39:28 +0800</pubDate><description><![CDATA[关键代码

/^1[3456789]\d{9}$/

实例


&lt;template&gt;
        &lt;van-form @submit="onSubmit"&gt;
          &lt;van-field
            v-model="phonenumber"
            :rules="[
              { required: true, message: '请填写您的手机号码！' },
              { pattern: .]]></description><category></category></item><item><title><![CDATA[正则验证身份证号+vant实例]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/106013927</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/106013927</guid><author>memoryI</author><pubDate>Sat, 09 May 2020 10:36:30 +0800</pubDate><description><![CDATA[/**
 * 验证身份证号15位
 */

/^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/ 

/**
 * 验证身份证号15位
 */

/^[1-9]\d{5}\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{2}[0-9Xx]$/ 



]]></description><category></category></item><item><title><![CDATA[正则清除字符串中的空格]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/106013332</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/106013332</guid><author>memoryI</author><pubDate>Sat, 09 May 2020 10:28:24 +0800</pubDate><description><![CDATA[关键代码

replace(/\s*/g, '') 正则替换空格（&amp;nbsp；也可以一起替换）

正则 \s ：

匹配任何空白字符，包括空格、制表符、换页符等等。等价于 [ \f\n\r\t\v]。注意 Unicode 正则表达式会匹配全角空格符。

正则 g：

全局搜索所有的空格，不加只会搜索字符串中的第一个

正则 i :

有些正则后面添加 i , 表达式的结尾处的不区分大小写i标记指定不区分大小写

实例


let b="&lt;p&gt;　　　　　   &amp;nbsp...]]></description><category></category></item><item><title><![CDATA[邮箱正则验证(vant实例)]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/106000412</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/106000412</guid><author>memoryI</author><pubDate>Fri, 08 May 2020 16:35:29 +0800</pubDate><description><![CDATA[正则

/^[a-z0-9]+([._\\-]*[a-z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/

下面的实例用vant所编写


&lt;template&gt;
  &lt;transition name="fade" appear&gt;
        &lt;van-form @submit="onSubmit"&...]]></description><category></category></item><item><title><![CDATA[WebSocket流程]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/105493531</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/105493531</guid><author>memoryI</author><pubDate>Mon, 13 Apr 2020 17:31:26 +0800</pubDate><description><![CDATA[参考文档：http://www.ruanyifeng.com/blog/2017/05/websocket.html




var ws = new WebSocket("wss://echo.websocket.org");

ws.onopen = function(evt) { 
  console.log("Connection open ..."); 
  ws.send("Hell...]]></description><category></category></item><item><title><![CDATA[箭头函数中的this指向]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/105492352</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/105492352</guid><author>memoryI</author><pubDate>Mon, 13 Apr 2020 16:55:27 +0800</pubDate><description><![CDATA[箭头函数中this指向父作用域

实例一

1.


let a = {
  foo: 1,
  bar: () =&gt; console.log(this.foo)
}
a.bar()  //undefined


bar函数中的this指向父作用域，而a对象没有作用域，因此this不是a，打印结果为undefined


function A() {
  this.foo = 1
}

A....]]></description><category></category></item><item><title><![CDATA[列表循环添加样式的方法]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/103493418</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/103493418</guid><author>memoryI</author><pubDate>Wed, 11 Dec 2019 15:39:06 +0800</pubDate><description><![CDATA[第一种


&lt;ul&gt;
  &lt;li v-for="index in 6" :class="'item'+index"&gt;XXXXXX&lt;/li&gt; 
&lt;/ul&gt;


第二种


&lt;li v-for="item in list" class={'classA': item.type === 'type1', 'classB': item.type ===...]]></description><category></category></item><item><title><![CDATA[vue-awesome-swiper 的安装和使用 总结]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/103290436</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/103290436</guid><author>memoryI</author><pubDate>Thu, 28 Nov 2019 11:37:01 +0800</pubDate><description><![CDATA[安装

npm installvue-awesome-swiper --save

全局引入


import Vue from 'vue'
import VueAwesomeSwiper from 'vue-awesome-swiper'
 
// require styles
import 'swiper/dist/css/swiper.css'
 
Vue.use(VueAwesomeS...]]></description><category></category></item><item><title><![CDATA[高德地图使用vue-amap  自定义点坐标]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/103012860</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/103012860</guid><author>memoryI</author><pubDate>Mon, 11 Nov 2019 17:12:20 +0800</pubDate><description><![CDATA[1.安装


npm install -S vue-amap

2.自定义点坐标

如果在地图上不显示相应的内容，

注意下面两点


&lt;template&gt;
    &lt;div class="amap-page-container"&gt;
      &lt;el-amap
        vid="amapDemo"  
        :center="center"
   ...]]></description><category></category></item><item><title><![CDATA[css自定义滚动条样式]]></title><link>https://blog.youkuaiyun.com/memoryI/article/details/102547536</link><guid>https://blog.youkuaiyun.com/memoryI/article/details/102547536</guid><author>memoryI</author><pubDate>Mon, 14 Oct 2019 14:36:18 +0800</pubDate><description><![CDATA[原文地址：https://www.cnblogs.com/ranyonsue/p/9487599.html

自定义滚动条实现

此部分针对webkit内核的浏览器，使用伪类来改变滚动条的默认样式，详情如下：

滚动条组成部分

1. ::-webkit-scrollbar 滚动条整体部分

2. ::-webkit-scrollbar-thumb 滚动条里面的小方块，能向上向下移动（或向左向右移...]]></description><category></category></item></channel></rss>