Convert vue time to month and day

Vue is a popular JavaScript framework that enables developers to easily create interactive web applications. In many applications, we need to convert a timestamp into a date format that is easy to read and use, such as year, month and day. This article will introduce how to use Vue to convert a timestamp into year, month and day format.

First, let’s create a Vue instance to be able to use Vue’s time conversion functionality:

<div id="app">
  <p>{{ formatDate(1625233266000) }}</p>
</div>

<script>
new Vue({
  el: '#app',
  methods: {
    formatDate: function(timestamp) {
      var date = new Date(timestamp);
      var year = date.getFullYear();
      var month = date.getMonth() + 1;
      var day = date.getDate();
      return year + '-' + month + '-' + day;
    }
  }
});
</script>

In this example, we use a Date object to parse the timestamp and format it It is a string of year, month and day.

In Vue, we can pass the timestamp to the custom function formatDate and use the Date object to convert it to year, month and day format. In the function, we first get the year using the getFullYear function, then get the month using the getMonth function and add 1 to it (because months start counting from 0), and finally get the date using the getDate function.

In the template, we wrap the function call in double brackets to ensure that it runs in the context of the Vue instance.

In addition to the above methods, Vue also provides a built-in filter named Vue.filter, which can easily convert timestamps into year, month and day format. We can use the following code to achieve this:

<div id="app">
  <p>{{ timestamp | formatDate }}</p>
</div>

<script>
new Vue({
  el: '#app',
  filters: {
    formatDate: function(timestamp) {
      var date = new Date(timestamp);
      var year = date.getFullYear();
      var month = date.getMonth() + 1;
      var day = date.getDate();
      return year + '-' + month + '-' + day;
    }
  }
});
</script>

In this example, we have defined a filter named formatDate in the filters property of the Vue instance. Timestamp can be passed as parameter to filter using pipe symbol (|). In the filter function, we follow the same approach as the previous method, using a Date object to format the timestamp into a year, month and day string.

Finally, we can convert the timestamp value into a year, month and day string by wrapping the pipe expression in double brackets in the template.

In short, converting a timestamp into a year, month, and day string is very simple in a Vue application. We can achieve this using custom methods or built-in filters. Regardless of the method used, Vue is a powerful, easy-to-use framework that helps developers build web applications more easily.

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