Ways to set up Vue data() by leveraging the value of an HTML input element

Question

Ways to set up Vue data() by leveraging the value of an HTML input element

I'm looking for a way to set the initial value of Vue data() using the value from a rendered input tag. While I know that I can sync the value of the input tag with the data using v-model="[data-key-here]" in Vue, is there a method to initialize the data in data() based on the value in an input tag?

Code Sample

<template>
  <input v-model="car_name">
  <input v-model="car_weight" value="40">
</template>

<script>
  export default{
    data(){
      return{
        car_name: "Range Rover",
        car_weight: null
      }
    }
  }
</script>

javascript vue.js input v-model vue-data

Answer 1

Answer №1

In my understanding, the DOM is rendered based on the vuejs data model. To set the value of an input field, you can initialize the VueJs data (such as 'car_weight') and omit the "value" attribute from the input element. When you make changes to the input, the VueJs data will automatically update accordingly. Here's an example:

<template>
  <input v-model="car_name">
  <input v-model="car_weight">
</template>
<script>
  ...
  data () {
    return {
      car_name: "Holden",
      car_weight: 40
    }
  }
</script>

This setup will provide you with the initial values, and any changes made in the browser will be reflected in the data.

Answer 2

In my understanding, the DOM is rendered based on the vuejs data model. To set the value of an input field, you can initialize the VueJs data (such as 'car_weight') and omit the "value" attribute from the input element. When you make changes to the input, the VueJs data will automatically update accordingly. Here's an example:

<template>
  <input v-model="car_name">
  <input v-model="car_weight">
</template>
<script>
  ...
  data () {
    return {
      car_name: "Holden",
      car_weight: 40
    }
  }
</script>

This setup will provide you with the initial values, and any changes made in the browser will be reflected in the data.

Answer 3

Answer №2

When using the v-model directive in Vue.js, it enables two-way binding. This means that in your scenario, the value of "car_name" is synchronized between the input tag and the data() property. For more information on how this works, you can visit this link.

Another approach to managing input values and updating data is by listening to input events, as shown below:

<input @input="onInput" /> // add this tag in your template

onInput(event){ // event handler for input
this.inputValue = event.target.value; // update the value in your data with the input value
}

Behind the scenes, both v-model and manually handling input values behave similarly. To learn more about this concept, you can check out this article.

Answer 4

When using the v-model directive in Vue.js, it enables two-way binding. This means that in your scenario, the value of "car_name" is synchronized between the input tag and the data() property. For more information on how this works, you can visit this link.

Another approach to managing input values and updating data is by listening to input events, as shown below:

<input @input="onInput" /> // add this tag in your template

onInput(event){ // event handler for input
this.inputValue = event.target.value; // update the value in your data with the input value
}

Behind the scenes, both v-model and manually handling input values behave similarly. To learn more about this concept, you can check out this article.

Ways to set up Vue data() by leveraging the value of an HTML input element

Answer №1

Answer №2

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