Vue calculation properties and methods

calculate the gap value by calculating properties and methods. If it is negative, the font is red, and the positive number is green

. 
<div class="maintain_mon">
    <p class="tit">FYC

    <ul v-for="item in numbs">
      <li><i>{{item.checkValue}}</i>
        
</li>
      <li><i>{{item.currentValue}}</i>
        
</li>
      <li>
        <i>{{(item.currentValue - item.checkValue).toFixed(2)}}</i>
        

      </li>
    </ul>
</div>
<div class="promote" v-for="module in arr">
  <div class="maintain_mon" v-for="item in module.promote">
    <p class="tit">{{item.tit}}

    <ul v-for="item1 in item.assess">
      <li><i>{{item1.checkValue}}</i>
        
</li>
      <li><i>{{item1.currentValue}}</i>
        
</li>
      <li>
        <i>{{item1.currentValue - item1.checkValue}.toFixed(2)}</i>
        
</li>
    </ul>
  </div>
</div>

effect
clipboard.png

how to write judgment?

Vue.js
Mar.10,2022

js: 

data () {
  return {
   
  }
},
methods: {
  diff: function (currentValue, checkValue) {
    return (currentValue - checkValue).toFixed(2)
  }
}

html: 

 <li>
    <i :class='[diff(25, 5) > 0 ? "green-font" : "red-font"]'>{{diff(25, 5)}}</i>
    

 </li>

Previous: How do I use Selenium WebDriver simulation to drag and drop page elements into the input box?

Next: Why did Vue report an error Can't resolve'@ / components/index.vue'?

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b370f8-2b7de.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b370f8-2b7de.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?