binding class property: Object in Array

by edith_tang

HTML

<div id="app">
  <div :class="[{'active': isActive}, errorCls]">
    这是一段文字
  </div>
</div>

CSS

.active {
  background: #333;
  width: 200px;
  height: 200px;
}

.error {
  color: red;
  text-decoration: line-through
}

JavaScript

var app = new Vue({
	el: '#app',
  data: {
  	errorCls: 'error',
    isActive: true
  }
})