VUE监听resize

data () {
    
    
    return {
    
    
      windowHeight: window.innerHeight
    }
}

mounted () {
    
    
    window.onresize = () => {
    
    
      this.windowHeight = window.innerHeight
    }
}

watch: {
    
    
  'windowHeight': function (newVal, oldVal) {
    
     //监听屏幕宽度变化
    this.windowHeight = newVal
    console.log(newVal)
  }
}