Vue/Element-ui动态调整左侧菜单栏高度

动态调整左侧菜单栏高度为全body高度，仅供参考

      
            
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export default {
  data() {
    return {
      containerHeight: {
        height: ""
      }
    };
  },
  created() {
    //动态调整左侧菜单栏高度
    var docHeight = document.documentElement.clientHeight;
    this.containerHeight.height = docHeight - 20 + "px";
  }
};