JIYIK CN >

Vue is a popular front-end framework that provides many features, including multiple ways to format dates. In this article, we will introduce several methods to help you format dates in Vue.

Using moment.js

moment.js is a popular JavaScript date library that makes it easy to format dates. To use moment.js in Vue, you first need to install it. You can install moment.js using npm or yarn. Here is an example of using moment.js to format dates:

import moment from 'moment';

export default {
  data() {
    return {
      date: '2021-08-01',
    };
  },
  computed: {
    formattedDate() {
      return moment(this.date).format('MMMM Do YYYY, h:mm:ss a');
    },
  },
};

In the code above, we first import the moment.js library. Then, we define a date in data, which we will use to format the date. In computed, we define a computed property called formattedDate, which uses moment.js to format the date and returns the formatted value.

Using the Date Object

The Date object in Vue can be used to format dates. Here is an example of using the Date object to format dates:

export default {
  data() {
    return {
      date: '2021-08-01',
    };
  },
  computed: {
    formattedDate() {
      const dateObj = new Date(this.date);
      return `${dateObj.getMonth() + 1}/${dateObj.getDate()}/${dateObj.getFullYear()}`;
    },
  },
};

In the above code, we first defined a date in data. In computed, we defined a computed property called formattedDate, which uses the Date object to format the date and returns the formatted value.

Using Vue Filters

A Vue filter is a function that converts a value into a specific format. You can use Vue filters to format dates. Here is an example of using Vue filters to format dates:

Vue.filter('dateFormat', function(value) {
  if (!value) return '';
  const dateObj = new Date(value);
  return `${dateObj.getMonth() + 1}/${dateObj.getDate()}/${dateObj.getFullYear()}`;
});

export default {
  data() {
    return {
      date: '2021-08-01',
    };
  },
  computed: {
    formattedDate() {
      return this.$options.filters.dateFormat(this.date);
    },
  },
};

In the code above, we first defined a Vue filter called dateFormat. In the filter, we use the Date object to format the date and return the formatted value. Then, in computed, we defined a computed property called formattedDate, which uses the dateFormat filter to format the date and returns the formatted value.

Summarize

In Vue, there are multiple ways to format dates. You can use the moment.js library, the Date object, or Vue filters to format dates. Each method has its advantages and disadvantages, and which method to use depends on your needs. In actual development, you can choose the most suitable method to format dates according to the specific situation.