js cheatsheet

本文节选自 Node.js CheatSheet | Node.js 语法基础.框架使用与实践技巧,也可以阅读 JavaScript CheatSheet 或者 现代 Web 开发基础与工程实践 了解更多 JavaScript/Node.js 的实际应用. Stream 是 Node.js 中的基础概念,类似于 EventEmitter,专注于 IO 管道中事件驱动的数据处理方式:类比于数组或者映射,Stream 也是数据的集合,只不过其代表了不一定正在内存中的数据..Node.js 的 Str

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1.搜索+选择+获取经纬度和详细地址 2.回显数据并点标记 3.实现 第一步:引入资源文件 <!--引入高德地图JSAPI --><script src="//webapi.amap.com/maps?v=1.3&key=在官网申请一个key"></script><!--引入UI组件库(1.0版本) --><script src="//webapi.amap.com/ui/1.0/main.js">

第一次写博客,好紧张,不知道能写成啥样,哈哈哈. 自己的一知片解,有错请多多指教,嘻嘻嘻. 一.何为跨域? 只要协议.域名.端口后任何一个不同,就是跨域. 举个例子: http://www.example.com 协议不同 https://www.example.com http://www.example.com 域名不同 http://www.test.com http://www.example.com 端口不同 http://www.example.com:81 注意:ip相同,域名不同

v-bind  主要用于属性绑定,Vue官方提供了一个简写方式 :bind,例如: <!-- 完整语法 --> <a v-bind:href="url"></a> <!-- 缩写 --> <a :href="url"></a> 绑定HTML Class 一.对象语法: 我们可以给v-bind:class 一个对象,以动态地切换class.注意:v-bind:class指令可以与普通的class特