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前端面试常考问题整理

....open("POST", url, true);xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");xhr.onreadystatechange = function () {    if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 304)) {        fn.call(this, xhr.respo...

Python医生招聘数据

...sp;        'Content-Type': 'application/x-www-form-urlencoded',                             'Accept-Encoding': 'br, gzip, deflate...