html获取网络数据，列表展示
js遍历json数组中的json对象
image.png
|| '-' 判断数据是否为空，为空就显示 -
<!DOCTYPE html>
<html><head><meta charset="utf-8"><title>网页列表</title></head><body><div><div style="width: 100px; height: 100px;" id="myDiv"></div></div><script type="text/javascript">// https://api.thecatapi.com/v1/images/search?limit=2// // {// "id": "1ep",// "url": "https://cdn2.thecatapi.com/images/1ep.jpg",// "width": 448,// "height": 674// },// 创建XMLHttpRequest对象,新版本的浏览器可以直接创建XMLHttpRequest对象,IE5或IE6没有// XMLHttpRequest对象，而是用的ActiveXObject对象var xhr = window.XMLHttpRequest ? new XMLHttpRequest() : ActiveXObject("microsoft.XMLHttp")xhr.open("get", 'https://api.thecatapi.com/v1/images/search?limit=2', true);xhr.send(); //发送请求// 监听请求的状态xhr.onreadystatechange = function() {if (xhr.readyState === 4 && xhr.status === 200) {// 请求成功后的处理console.log('111 111 返回的数据', xhr.responseText);// // 打印，获取json里的对象var data2 = JSON.parse(xhr.responseText);let myDiv = document.getElementById("myDiv")let myimg = document.getElementById("myimg")for (var i = 0; i < data2.length; i++) {console.log('ggg 000 返回的数据', data2[i].id + " " + data2[i].url);let addImg = document.createElement('img')addImg.src = data2[i].urladdImg.style.width = "200px";addImg.style.height = "200px";myDiv.append(addImg)let addName = document.createElement('p')addName.innerText = data2[i].idmyDiv.append(addName)}}};</script></body>
</html>
