shipei.js 352 B

12345678910111213
  1. (function () {
  2. 'use strict';
  3. setRemUnit();
  4. window.addEventListener('resize', setRemUnit);
  5. function setRemUnit() {
  6. var docEl = document.documentElement;
  7. var ratio = 10;
  8. var viewWidth = docEl.getBoundingClientRect().width || window.innerWidth;
  9. docEl.style.fontSize = viewWidth / ratio + 'px';
  10. }
  11. })();