一、ajaxajax
var ajax = new XMLHttpRequest( )json
ajax.open("post", "http://localhost:3000/api/articles")api
ajax.setRequestHeader("Content-Type", "application/json")app
ajax.send(JSON.stringify({"name": "aaa"}))post
ajax.onreadystatechange == function(){fetch
if(ajax.readyState == 4 && ajax.status == 200){spa
console.log(ajax.responseText)string
}io
}console
二、fetch
fetch("http://localhost:3000/api/select/100?name=bbb")
.then(response => response.json())
.then(data => {
console.log(data)
})