<router-link :class="tabflag == "preliminary" ? "tab" : """ :to="{name:"preliminary"}"></router-link>
{{isshow}}
<router-link v-if="isshow" :class="tabflag == "playoff" ? "tab" : """ :to="{name:"playoff",params:{performance:grade,recsname:recsname}}"></router-link>
it is clear that the output is false, but it is still displayed. If you manually change the if to false, it will be hidden. Why doesn"t it take effect?
depends on whether the isshow type is string or boolean
send all your code so that you can't see it
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