Steps to reveal a div when a button is clicked within a v-for loop using VueJS

Context

In my code, I am utilizing a v-for loop to display sets of buttons and corresponding input fields. Each button is supposed to trigger the display of its respective input field upon being clicked.

Issue

However, the problem arises when the buttons are clicked, as instead of showing only the relevant input field, all input instances are displayed simultaneously.

 <div class="buttonFor my-3" v-for="(expense,index) in expenseButton" :key="index">
            <input type="submit" @click="showInput(expense)" :value="expense.expensesKey" />
            <input v-show="needEdit" v-model.number="expense.subExpense" type="number" />
          </div>
data() {
    return {
      expenseButton: [],
      needEdit: false
    };
  }
methods: {

    showInput() {
      this.needEdit = !this.needEdit;
    }
}

Answer №1

I suggest keeping track of the selected ID for better organization. You can update your data to include the chosen ID like this:

data() {
    return {
      expenseButton: [],
      chosenExpenseId: null
    };
}

Instead of passing the ID directly, modify your show input method to receive the index:

methods: {
    showInput(index) {
      this.chosenExpenseId = index;
      // Uncomment the line below if you want the button to hide input once clicked back
      // this.chosenExpenseId = this.chosenExpenseId !== index ? index : null;
    }
}

In your template, pass the index and check the condition for showing the input like this:

<input type="submit" @click="showInput(index)" :value="expense.expensesKey" />
<input v-show="index === chosenExpenseId" v-model.number="expense.subExpense" type="number" />

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