客户端检测HTTP请求方法

window.fetch('/api/data')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

fetch('/api/data')
  .then(response => response.text())
  .then(data => console.log(data))
  .catch(error => console.error('Request failed', error));

const request = new XMLHttpRequest();
request.open('GET', '/api/data');
request.send();