How to disable the caching function that comes with vue computed properties

This time I will show you how to disable vue calculationpropertybuilt-incachefunction, disable vue calculation property’s built-in cache functionnotesare Which ones, the following are practical cases, let’s take a look.

Everyone who uses Vue will know the calculated properties of vue. This is explained in this way. When certain dependency values ​​change, its own value will also change, and the DOM related to it will also change. Usually, there are two methods in this calculated attribute: get and set can be used.

Here I will only analyze how to turn off the cache of calculated attributes and obtain the latest data, as shown in the following example:

## HTML code

<p id="mess">
    <p>{{exapm}}</p>
  </p>

JS code:

 var vue2 = new Vue({
    el:"#mess",
    data:{
      sendmess:" i dhsjknkjvnkrenvr"
    },
  computed:{
    exapm:{
      cache:false,
      get:function(){
        return Date.now()+this.sendmess
      }
    }
    }
  });

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