在JavaScript中使用setInterval无法清空定时器如何解决

<template>
<div id="dev">
    <el-tabs v-model="activeName" @tab-click="handleClick" v-loading="loading">
    <el-tab-pane label="文档" name="first">
      <div v-html="html"></div>
    </el-tab-pane>
     <el-tab-pane label="设置" name="second">
      <v-devCard></v-devCard>
    </el-tab-pane>
    </el-tabs>
</div>
</template>

<script>
  const {ipcRenderer:ipc} = require('electron');

export default {

  data(){
    return{
      activeName: 'second',
      html:'',
      loading:false,
      timeOutLoading:0
    }
  },
  methods:{
    handleClick(tab, event) {
    if(tab.name == 'first' && this.loading == false){
      if(this.timeOutLoading != 0){
        window.clearTimeout(this.timeOutLoading);
      }

      this.html = "<div style='text-align:center; height:200px; line-height:200px;'>加载中...</div>";
      this.loading = true;
      this.timeOutLoading = window.setTimeout(() => {
        if(this.loading == true){
          this.loading = false;
          this.html = "<div style='text-align:center; height:200px; line-height:200px;'>加载超时</div>";
        } 
      }, 3000);

      window.setTimeout(() => {
        ipc.send("getPage");
      }, 500);
       
    }
   }
  },
  mounted(){
    ipc.on('getPage-reply', (event, arg) => {
        if(this.timeOutLoading != 0){
          window.clearTimeout(this.timeOutLoading);
          this.timeOutLoading = 0;
        }      
        this.loading = false;
        this.html = arg; 
      });
  }
}
</script>