ajax jsonp axios fetch

ajax基础版
function ajax(options){ var req=new XMLHttpRequest() req.open(options.type,options.url,true) req.onreadystatechange=function(){ if(req.readyState==4&&req.status==200){ options.success(req.responseText) } } req.send(null) }
ajax({
  url:"http://www.wuguosong.top/api/list_b",
  type:"get",
  success:(res)=>{
    console.log(res)
  }
})

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转载自www.cnblogs.com/gitwusong/p/11357918.html