vant/src/lazyload

Lazyload

Install

import { createApp } from 'vue';
import { Lazyload } from 'vant';

const app = createApp();
app.use(Lazyload);

// with options
app.use(Lazyload, {
  lazyComponent: true,
});

Usage

Basic Usage

<img v-for="img in imageList" v-lazy="img" />

export default {
  data() {
    return {
      imageList: [
        'https://img.yzcdn.cn/vant/apple-1.jpg',
        'https://img.yzcdn.cn/vant/apple-2.jpg',
      ],
    };
  },
};

Lazyload Background Image

Use v-lazy:background-image to set background url, and declare the height of the container.

<div v-for="img in imageList" v-lazy:background-image="img" />

Lazyload Component

// set `lazyComponent` option
app.use(Lazyload, {
  lazyComponent: true,
});

<lazy-component>
  <img v-for="img in imageList" v-lazy="img" />
</lazy-component>

API

Options

Attribute	Description	Type	Default
loading	Src of the image while loading	string	-
error	Src of the image upon load fail	string	-
preload	Proportion of pre-loading height	string	-
attempt	Attempts count	number	3
listenEvents	Events that you want vue listen for	string[]	scroll...
adapter	Dynamically modify the attribute of element	object	-
filter	The image's listener filter	object	-
lazyComponent	Lazyload component	boolean	false

See more： vue-lazyload