HTML5移动端开发遇见的东西

<!-- 有"#" "*"符号输入 -->
<input type="tel">
<!-- 纯数字 -->
<input pattern="\d*">

<!-- 拨号 -->
<a href="tel:10086">打电话给: 10086</a>
<!-- 发送短信 -->
<a href="sms:10086">发短信给: 10086</a>
<!-- 发送邮件 -->
<a href="mailto:839626987@qq.com">发邮件给：839626987@qq.com</a>
<!-- 选择照片或者拍摄照片 -->
<input type="file" accept="image/*">
<!-- 选择视频或者拍摄视频 -->
<input type="file" accept="video/*">
<!-- 多选 -->
<input type="file" multiple>

<a href="weixin://">打开微信</a>
<a href="alipays://">打开支付宝</a>
<a href="alipays://platformapi/startapp?saId=10000007">打开支付宝的扫一扫功能</a>
<a href="alipays://platformapi/startapp?appId=60000002">打开支付宝的蚂蚁森林</a>

<!-- 忽略浏览器自动识别数字为电话号码 -->
<meta name="format-detection" content="telephone=no">

<!-- 忽略浏览器自动识别邮箱账号 -->
<meta name="format-detection" content="email=no">

<template>
  <input type="text" @focus="focus" @blur="blur">
</template>
<script>
  export default {
    data() {
      return {
        scrollTop: 0
      }
    },
    methods: {
      focus() {
        this.scrollTop = document.scrollingElement.scrollTop;
      },
      blur() {
        document.scrollingElement.scrollTo(0, this.scrollTop);
      }
    }
  }
</script>

// 禁止长按图片保存
img {
  -webkit-touch-callout: none;
  pointer-events: none; // 像微信浏览器还是无法禁止，加上这行样式即可
}

// 禁止长按选择文字
div {
  -webkit-user-select: none;
}

// 禁止长按呼出菜单
div {
  -webkit-touch-callout: none;
}

div {
  -webkit-overflow-scrolling: touch;
}

* {
  -webkit-text-size-adjust: 100%;
}

html {
 font-size: calc(100vw / 3.75);
}

body {
  font-size: .14rem;
}

<div class="mask">
  <div class="content">我是弹框</div>
</div>

.mask {
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background-color: rgba($color: #333, $alpha: .6);

  .content {
    padding: 20px;
    background-color: #fff;
    width: 300px;
  }
}

document.querySelector(".mask").addEventListener("touchmove", event => {
  event.preventDefault();
});

<div class="mask" @touchumove.prevent></div>

document.querySelector(".mask").addEventListener("touchmove", event => {
  if (event.target.classList.contains("mask")) event.preventDefault();
});

<div class="mask" @touchumove.self.prevent></div>