Vue

by cedric_tarou

HTML

<div id="app">
  <input type="text" v-model="message">
  <button @click="test">全角を半角にする</button>
  <p>{{message}}</p>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

del {
  color: rgba(0, 0, 0, 0.3);
}

Vue

new Vue({
  el: "#app",
  data: {
  	message:''

  },
  methods: {
  	test(){
			this.hankaku2Zenkaku(this.message)
      console.log(this.hankaku2Zenkaku(this.message))
    },
    hankaku2Zenkaku(str) {
        return str.replace(/[Ａ-Ｚａ-ｚ０-９]/g, (s)=> {
            return String.fromCharCode(s.charCodeAt(0) - 0xFEE0);
        });
    }
  }
})