itheima-tools-bsuc

const itheima = require('itheima-tools-bsuc')

// 调用 dataFormat 方法，对时间进行格式化
const dtStr = itheima.dateFormat(new Date())
console.log(dtStr)

const htmlStr = '<h1 title="abc">这是h1标签</h1>'
const newStr = itheima.escapeHtml(htmlStr)
console.log(newStr);

const newUnStr = itheima.unescapeHtml(htmlStr)
console.log(newUnStr);