how to get attr in vuejs

1<script src="https://unpkg.com/vue"></script>
2
3<div id="app">
4  <my-comp my-attr="Any value"></my-comp>
5</div>
6
7<script>
8  Vue.component('my-comp', {
9    template: '<div>aaa</div>',
10    created: function () {
11      console.log(this.$attrs['my-attr']) // And here is - in $attrs object
12    }
13  })
14
15  new Vue({
16    el: '#app'
17  })
18</script>