v-if apply class code example
Example 1: vue conditional class
<div :class="{ 'prop-name': boolVar }"></div>
Example 2: vue if echo class
<div class="defaultclass" :class="condition?' conditionalclasstoappend':''"></div>
<div :class="{ 'prop-name': boolVar }"></div>
<div class="defaultclass" :class="condition?' conditionalclasstoappend':''"></div>