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mu-utiljs

v0.0.2

Published

Web前端 JavaScript 常用函数库

Downloads

9

Readme

JavaScript 常用函数库

MIT License

JavaScript 常用函数库,整合在 Web 项目中经常使用的函数和方法。

下载安装:

# 使用npm命令下载安装
$ npm i mu-utiljs

# 使用yarn命令下载安装
yarn add mu-utiljs

使用方法:

  • 通过 JS Module(模块)方式导入使用

    <!-- ES6模块导入使用 -->
    <script type="module">
      /**
       * 1、全部引入使用
       **/
      import * as mu from "mu-utiljs";
    
      // 在浏览器控制台中打印mu-utiljs的所有方法
      console.log(mu);
    
      // 深拷贝使用实例
      let obj = { key: "value" };
      const newObj = mu.deepCopy(obj);
    
      /**
       * 2、按需引入使用
       **/
      import { deepCopy, debounce, throttle } from "mu-utiljs";
    
      // 深拷贝使用实例
      let obj = { key: "value" };
      const newObj = deepCopy(obj);
    </script>
  • 通过 script 标签以 CDN 的形式引入使用

    <!-- 将mu-utiljs下载后,在html文件中引入本地脚本 -->
    <script src="./js/mu-utiljs"></script>
    <script>
      // 在浏览器控制台中打印mu-utiljs的所有方法
      console.log(mu);
    
      // 深拷贝使用实例
      let obj = { key: "value" };
      const newObj = mu.deepCopy(obj);
    </script>

支持情况:

  • deepCopy() 深拷贝

    对各种数据类型、对象的进行深度拷贝!

    /**
     * @param {Object|Array} par // 拷贝的对象
     * @returns Array or Object
     */
    
    let par = {} || [];
    mu.deepCopy(par); // 返回一个新的对象
  • debounce() 函数防抖

    函数被频繁调用时使用(触发事件后在 n 秒内函数只能执行一次,如果在 n 秒内又触发了事件,则会重新计算函数执行时间)!

    /**
     * @param {function} fn // 要进行防抖操作的函数
     * @param {number} delay = 300 // 间隔时间(默认300毫秒)
     * @returns function
     */
    
    mu.debounce(fn, delay);
  • throttle() 函数节流

    连续触发事件但是在 n 秒中只执行一次函数!

    /**
     * @param {function} fn // 要进行节流操作的函数
     * @param {number} delay = 300 // 间隔时间(默认300毫秒)
     * @returns function
     */
    
    mu.throttle(fn, delay);
  • getFileExt() 获取文件后缀名

    获取文件的后缀名!

    /**
     * @param {string} fileName // 要获取带后缀的文件名
     * @returns string
     */
    
    mu.getFileExt(fileName: string) => string;
  • getFileSize() 获取文件大小

    主要用于上传文件时(计算文件 单位大小)!

    /**
     * @param {string} fileSize // 要进行计算的文件大小
     * @returns string
     */
    
    mu.getFileSize(fileName: string) => string;
  • query() 获取url参数

    主要用于获取url参数 如 ?id=666&uid=888!

    /**
     * @param {string} key // 要进行计算的文件大小
     * @returns string
     */
    
    mu.query(key: string) => string;
  • Updating 。。。!