Vue page loading, flashing problem?

  <div class="currency">
    <div v-if="flag==true">
    <span v-cloak>{{(type.ico}}</span> 
    <span>USD</span>
    </div>
    <div v-if="flag==false">
      <span v-cloak>{{(type1.price}}</span> 
      <!-- <span :percent="88"></span>   -->
      <span>RMB</span>
    </div>
    <p @click="switchChange">
  </div>
  v-ifNaNv-cloak

V-if vue.js

Mar.06,2021

write some styles in css in addition to the v-cloak declaration. Own Baidu

isn't there something wrong with your js logic in NaN? The one that cannot be transferred to "Number" has been converted into Number, and NaN has appeared.
v-cloak under a single file component is unnecessary and will not be useful. I don't know if you are a single file component.

< div vMuthififteen answer type1.price'vshow = "flag==true" >
well, I finally used a method to force it, which is a little disgusting, and the effect has been achieved. I still hope there is a better way

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Using the v-if Times to mistakenly say that variables are not defined
I m going to get a favorites button to control the value of collected through the click event, so that v-if can display different pictures according to the value of collected <div class="option collect" @click="collect()">...

Lifecycle front-end v-if vue.js

Mar.04,2021

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-64f5-1b375e1-2c06d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b375e1-2c06d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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