查找<h2></h2>之间出现的所有文本

const html = `
<div>
  <h2>标题1</h2>
  <p>一些内容</p>
  <h2>标题2</h2>
  <p>更多内容</p>
</div>
`;

const regex = /<h2>(.*?)<\/h2>/g;
let match;
const results = [];

while ((match = regex.exec(html)) !== null) {
  results.push(match[1]);
}

console.log(results); // 输出: ["标题1", "标题2"]

const html = `
<div>
  <h2>标题1</h2>
  <p>一些内容</p>
  <h2>标题2</h2>
  <p>更多内容</p>
</div>
`;

const parser = new DOMParser();
const doc = parser.parseFromString(html, 'text/html');
const h2Elements = doc.querySelectorAll('h2');

const results = Array.from(h2Elements).map(h2 => h2.textContent);

console.log(results); // 输出: ["标题1", "标题2"]

const cheerio = require('cheerio');

const html = `
<div>
  <h2>标题1</h2>
  <p>一些内容</p>
  <h2>标题2</h2>
  <p>更多内容</p>
</div>
`;

const $ = cheerio.load(html);
const results = [];

$('h2').each((index, element) => {
  results.push($(element).text());
});

console.log(results); // 输出: ["标题1", "标题2"]