js获取指定网页内容

async function fetchWebPageContent(url) {
    try {
        const response = await fetch(url);
        if (!response.ok) {
            throw new Error(`HTTP error! status: ${response.status}`);
        }
        const text = await response.text();
        console.log(text);
        return text;
    } catch (error) {
        console.error('Fetching failed:', error);
    }
}

// 使用示例
fetchWebPageContent('https://example.com');

function fetchWebPageContentWithXHR(url) {
    const xhr = new XMLHttpRequest();
    xhr.open('GET', url, true);
    xhr.onreadystatechange = function () {
        if (xhr.readyState === 4) {
            if (xhr.status === 200) {
                console.log(xhr.responseText);
            } else {
                console.error('Fetching failed:', xhr.status);
            }
        }
    };
    xhr.send();
}

// 使用示例
fetchWebPageContentWithXHR('https://example.com');