解析文档字符串

parseHTML.js

/**
 * 解析文档字符串
 *
 * @param {string} html
 * @returns {DocumentFragment}
 */
function parseHTML(html) {
    const parser = new DOMParser();
    const context = parser.parseFromString(html, "text/html");
    const children = context.body.children;
    const fragment = new DocumentFragment();
    fragment.append(...children);
    return fragment;
}