您应该能够使用Fetch和DOMParser API。
类似于（但不一定完全）以下内容：

function getAndModifySVG(url) {
  return fetch(url)
            // Get SVG response as text
            .then(response => response.text())
            // Parse to a DOM tree using DOMParser
            .then(str => (new window.DOMParser()).parseFromString(str, "text/xml"))
            // Find path with id="myPath" and return the d attribute
            .then(data => data.getElementById("myPath").getAttribute("d"))
}

这是手写的 typescript ，转换成任何东西！

const loadSvg = (url: string) => {
        return fetch(url)
          .then(function (response) {
            console.log(response);
            return response.text();
          })
          .then(function (raw) {
            return new window.DOMParser().parseFromString(raw, "image/svg+xml");
          });
      };