[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fq7igTZr07Dlfu6jgeEUskAy1kQHeXg1xCYZ6Rl3hotk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-11 10:58:44",259803459,[8,9,10,11],"xhr.cancel()","xhr.stop()","xhr.abort()","xhr.close()",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},94,"23d574905733de79715729a7442b14cf","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","JavaScript+Jquery","work_48907502","移应2024 作业二十五","取消正在进行的 AJAX 请求,应调用的方法是",[21,32,41,50,59,68,77,86,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],259803452,[25,26,27,28],"let xhr = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject(&quot;Microsoft.XMLHTTP&quot;)","let xhr = new XMLHttpRequest()","let xhr = new ActiveXObject()","let xhr = new AjaxRequest()","创建兼容 IE6 + 的 AJAX 核心对象,正确的代码是","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],259803453,[36,37,38,39],"请求未初始化(未调用 open ())","服务器连接已建立(调用 open ())","响应数据部分接收完成","请求完成且响应已就绪","XMLHttpRequest 对象的 readyState 值为 3 表示什么状态",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],259803454,[45,46,47,48],"xhr.send(&quot;GET&quot;, &quot;https:\u002F\u002Fapi.example.com&quot;)","xhr.open(&quot;GET&quot;, &quot;https:\u002F\u002Fapi.example.com&quot;)","xhr.setRequestHeader(&quot;Method&quot;, &quot;GET&quot;)","xhr.onreadystatechange = () =&gt; { url: &quot;https:\u002F\u002Fapi.example.com&quot; }","AJAX 请求中,用于配置请求方法和 URL 的核心方法是",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],259803455,[54,55,56,57],"xhr.send(null)","xhr.send({ id: 1 })","xhr.send(&quot;id=1&quot;)","xhr.send()","发送 AJAX GET 请求时,send 方法的参数应为",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],259803456,[63,64,65,66],"xhr.setRequestHeader(&quot;Content-Type&quot;, &quot;application\u002Fx-www-form-urlencoded&quot;, &quot;POST&quot;)","xhr.setRequestHeader(&quot;Content-Type&quot;, &quot;form-data&quot;)","xhr.setRequestHeader(&quot;Content-Type&quot;, &quot;application\u002Fx-www-form-urlencoded&quot;)","xhr.setRequestHeader(&quot;Content-Type&quot;) = &quot;application\u002Fx-www-form-urlencoded&quot;","发送 AJAX POST 请求时,需设置的核心请求头是",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],259803457,[72,73,74,75],"xhr.statusText","xhr.status","xhr.readyState","xhr.responseCode","AJAX 请求中,获取 HTTP 响应状态码的属性是",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],259803458,[81,82,83,84],"JSON.stringify(xhr.responseText)","xhr.responseText.parseJSON()","xhr.responseJSON","JSON.parse(xhr.responseText)","AJAX 请求中,获取服务器返回的 JSON 格式响应,正确的处理方式是",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],259803460,[93,94,95,96],"利用 script 标签的 src 属性无跨域限制,动态创建 script 标签","利用 XMLHttpRequest 的跨域配置参数","服务器配置 Access-Control-Allow-Origin 头","利用 postMessage API 进行跨域通信","JSONP 实现跨域的核心原理是",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],259803461,[102,103,104,105],"Access-Control-Request-Method","Access-Control-Allow-Origin","Cross-Domain-Allow","Allow-Origin","CORS 跨域中,服务器端必须配置的核心响应头是"]