const http = new XMLHttpRequest();const url = 'http://192.168.1.10/';http.open('get', url, false);http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');http.onload = function () { if(http.status === 200 || http.status == 0) { alert("succeed") } else { alert("failed") }}http.send();为什么虽然它没有得到 http.status === 200 它没有警报失败!
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