VUE中无限循环代码分享

<template><p>
 </p>
<ul>
  <li>{{item.cdate}}</li>
 </ul></template><script>
export default {
 name: "",
 data(){
   return {
     listaaa: [{
       cdate: &#39;123&#39;
      },
      {
       cdate: &#39;456&#39;
      },
     ],
     flagName: &#39;&#39;
   }
 },
 methods: {
  dealFun(arg, index) {
   console.log(&#39;---------------------------&#39;)
   if (arg == this.flagName) {
    return false
   } else {
    this.flagName = arg
    return true
   }
  }
 },
}
</script><style>
</style>

<template><p>
 </p>
<ul>
  <li>{{item.cdate}}</li>
 </ul></template><script>
var flagName;
export default {
 name: "",
 data(){
   return {
     listaaa: [{
       cdate: &#39;123&#39;
      },
      {
       cdate: &#39;456&#39;
      },
     ],
    //  flagName: &#39;&#39;
   }
 },
 methods: {
  dealFun(arg, index) {
   console.log(&#39;---------------------------&#39;)
   if (arg == flagName) {
    return false
   } else {
    flagName = arg
    return true
   }
  }
 },
}
</script><style>
</style>