npm install itheima-tools-zhangxiaofan
const itheima = rerquire('itheima-tools-zhangxiaofan')
//调用dateFormat对时间进行格式化
const dtStr = itheima.dateFormat(new Date())
//输出2022-08-13 21:34:13
console.log(dtStr);
//定义待转换的html字符串
const htmlStr = '<h1 title="abc">这是h1标签<span>123 </span></h1>'
//使用htmlEscape方法进行转换
const str = itheima.htmlEscape(htmlStr)
//转换的结果<h1 title="abc">这是h1标签<span>123&nbsp;</span></h1>
console.log(str);
//待还原的html字符串
const str2 = itheima.htmlUnEscape(str)
//输出的结果<h1 title="abc">这是h1标签<span>123 </span></h1>
console.log(str2);
ISC