jscontrolrem.js 560 B

12345678910111213141516171819
  1. /*JS控制rem*/
  2. (function(doc, win) {
  3. var docEl = doc.documentElement,
  4. resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
  5. recalc = function() {
  6. var clientWidth = docEl.clientWidth;
  7. if(!clientWidth) return;
  8. if(clientWidth != 375) {
  9. docEl.style.fontSize = 100 * (clientWidth / 375) + 'px';
  10. } else{
  11. docEl.style.fontSize = '100px';
  12. }
  13. };
  14. if(!doc.addEventListener) return;
  15. win.addEventListener(resizeEvt, recalc, false);
  16. doc.addEventListener('DOMContentLoaded', recalc, false);
  17. })(document, window);
  18. /*end*/