摘要：
var doc = window.document var docEl = doc.documentElement var tid function refreshRem () { var width = docEl.getBoundingClientRect().width if (width > 阅读全文
摘要：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文