手机端处理布局rem

  if (document.documentElement.clientWidth > 600) {//页面宽度大于600px让其宽度等于600px,字体大小等于60px,居中
    document.documentElement.style.width = "600px";
    document.documentElement.style.fontSize = "60px";
    document.documentElement.style.margin = "0 auto";
  } else {//否则让其根节点字体大小等于宽度/10px
    document.documentElement.style.fontSize = document.documentElement.clientWidth / 10 + "px";
  }

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转载自www.cnblogs.com/hyx626/p/10122822.html