May you show me an example of a method handler in Vue.js 3?
system
kya aap mujhe vue.js 3 main ek vidhi handler kaa ek udhaaharan dikhaa sakate hai?
user
neeche ek vidhi handler kaa ek udhaaharan he jo "sheershak" char ko adhyatan karne kii anumati detaa he.

const app = vue.createapp ({
  data() {
    waapas karnaa {
      sheershak: 'kings kaa rasta',
      lekhak: 'brandan sanderson',
      aayu: 45
    }
  },
  vidhiyaan: {
    changetital (sheershak) {
      // this.title = 'radiation ke shabd'
      this.title = sheershak
    }
  }
})

app.mount ('#ap')
assistant
<|system|>
</s>
<|user|>
kya aap mujhe vue.js 3 main ek vidhi handler kaa ek udhaaharan dikhaa sakate hai?</s>
<|assistant|>
neeche ek vidhi handler kaa ek udhaaharan he jo "sheershak" char ko adhyatan karne kii anumati detaa he.

const app = vue.createapp ({
  data() {
    waapas karnaa {
      sheershak: 'kings kaa rasta',
      lekhak: 'brandan sanderson',
      aayu: 45
    }
  },
  vidhiyaan: {
    changetital (sheershak) {
      // this.title = 'radiation ke shabd'
      this.title = sheershak
    }
  }
})

app.mount ('#ap')</s>
