Vue

by ujjumaki

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-vue/2.15.0/bootstrap-vue.min.js"></script>
<div id="app">
  <h2>Input Fields:</h2>
  <div v-for="(todo,index) in todos" :key="index">
   <b-form-input type="text" v-model="todo.datatype" :value="todo.id" placeholder="Insert Datatype" v-on:input="moveToNextField($event)"></b-form-input>
   <!-- If the input field 1, consists more than 5 characters. Automatically move on to second field -->
   <!-- And when the input field 2 contains more than 5 characters. Move on to third field -->
   <br>
  </div>
</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: {
    todos: [
      { id: "1", datatype: ""},
      { id: "2", datatype: ""},
      { id: "3", datatype: ""}
    ]
  },
  methods: {
  	toggle: function(todo){
    	todo.done = !todo.done
    },
    
    moveToNextField(event){
    
    	if(this.todos[0].datatype.length > 5)
    	  {
    	    console.log("field 1");
    	  }
        
      if(this.todos[1].datatype.length > 5)
    	  {
    	    console.log("field 2");
    	  }
        
    }
    
  }
})