js strip tags

let text = "<p>Hello <b>World</b>!</p>";
let strippedText = text.replace(/<[^>]*>/g, '');
console.log(strippedText); // 输出: Hello World!

const jsdom = require("jsdom");
const { JSDOM } = jsdom;

let text = "<p>Hello <b>World</b>!</p>";
let dom = new JSDOM(text);
let strippedText = dom.window.document.body.textContent;
console.log(strippedText); // 输出: Hello World!

let text = "<p>Hello <b>World</b>!</p>";
let allowedTags = ['b']; // 允许保留的标签列表
let strippedText = text.replace(new RegExp(`<(${allowedTags.join('|')})[^>]*>.*?</\\1>|<[^>]+>`, 'g'), '');
console.log(strippedText); // 输出: Hello World!

function stripTags(html, allowedTags = []) {
    let tagsPattern = new RegExp(`<(${allowedTags.join('|')})[^>]*>.*?</\\1>|<[^>]+>`, 'g');
    return html.replace(tagsPattern, '');
}

let text = "<p>Hello <b>World</b>!</p>";
let strippedText = stripTags(text);
console.log(strippedText); // 输出: Hello World!

let textWithAllowedTags = "<p>Hello <b>World</b>!</p>";
let allowedTags = ['b'];
let strippedTextWithAllowedTags = stripTags(textWithAllowedTags, allowedTags);
console.log(strippedTextWithAllowedTags); // 输出: Hello <b>World</b>!