jpcj-h5/src/utils/rem.ts

const baseSize = 37.5;
function setRem() {
  const scale = document.documentElement.clientWidth / 375;
  document.documentElement.style.fontSize =
    baseSize * Math.min(scale, 2) + "px";
}
setRem();
window.onresize = function () {
  console.log("我执行了");
  setRem();
};