How to find object length in vue

<template>
  <div>
    {{ getObjectLength(myObject) }}
  </div>
</template>

<script>
export default {
  data() {
    return {
      myObject: {
        key1: 'value1',
        key2: 'value2',
        key3: 'value3'
      }
    };
  },
  methods: {
    getObjectLength(obj) {
      return Object.keys(obj).length;
    }
  }
};
</script>