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Overview

The TagBox component allows users to select multiple items from a drop-down list.

DevExtreme Accessibility Compliance
DevExtreme component libraries meet a variety of WCAG and Section 508 compliance standards. To assess this demo’s accessibility level, click the Run AXE® Validation button to launch the AXE® web accessibility evaluation tool.
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The overall accessibility level of your application depends on the TagBox features used.
Backend API
<template> <div class="dx-fieldset"> <div class="dx-field"> <div class="dx-field-label">Default mode</div> <div class="dx-field-value"> <DxTagBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Product' }" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Search mode</div> <div class="dx-field-value"> <DxTagBox :items="simpleProducts" :search-enabled="true" :input-attr="{ 'aria-label': 'Product' }" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Batch selection</div> <div class="dx-field-value"> <DxTagBox :items="simpleProducts" :show-selection-controls="true" :input-attr="{ 'aria-label': 'Product' }" apply-value-mode="useButtons" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Hide selected items</div> <div class="dx-field-value"> <DxTagBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Product' }" :hide-selected-items="true" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Single line mode</div> <div class="dx-field-value"> <DxTagBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Product' }" :multiline="false" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Add custom items</div> <div class="dx-field-value"> <DxTagBox :items="editableProducts" :accept-custom-value="true" :input-attr="{ 'aria-label': 'Product' }" @customItemCreating="onCustomItemCreating" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">With custom placeholder</div> <div class="dx-field-value"> <DxTagBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Product' }" placeholder="Choose Product..." /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Disabled</div> <div class="dx-field-value"> <DxTagBox :items="simpleProducts" :input-attr="{ 'aria-label': 'Product' }" :value="[simpleProducts[0]]" :disabled="true" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Data source</div> <div class="dx-field-value"> <DxTagBox :data-source="products" :input-attr="{ 'aria-label': 'Product' }" display-expr="Name" value-expr="Id" /> </div> </div> <div class="dx-field"> <div class="dx-field-label">Custom template</div> <div class="dx-field-value"> <DxTagBox :data-source="products" :value="value" :input-attr="{ 'aria-label': 'Product' }" display-expr="Name" value-expr="Id" item-template="item" tag-template="tag" > <template #item="{ data }"> <Item :item-data="data"/> </template> <template #tag="{ data }"> <Tag :tag-data="data"/> </template> </DxTagBox> </div> </div> </div> </template> <script setup lang="ts"> import { ref } from 'vue'; import DxTagBox from 'devextreme-vue/tag-box'; import Item from './Item.vue'; import Tag from './Tag.vue'; import { simpleProducts, products } from './data.ts'; const editableProducts = ref(simpleProducts.slice()); const value = ref([1, 2]); const onCustomItemCreating = ref((args) => { const newValue = args.text; const isItemInDataSource = editableProducts.value.some((item) => item === newValue); if (!isItemInDataSource) { editableProducts.value = [newValue, ...editableProducts.value]; } args.customItem = newValue; }); </script> <style scoped> body .custom-item { padding-left: 7px; padding-right: 7px; } .custom-item > img { height: 30px; width: 40px; float: left; margin-top: 2px; } .custom-item > div.product-name { margin-left: 40px; line-height: 34px; font-size: 14px; } body .custom-item input { background-color: transparent; } body .dx-popup-content .custom-item { padding-top: 7px; padding-bottom: 8px; } .dx-popup-content .custom-item > div { padding-left: 8px; text-indent: 0; text-overflow: ellipsis; overflow: hidden; } </style>
<template> <div class="custom-item"> <img :src="itemData.ImageSrc" :alt="`${itemData.Name}. Picture`" > <div class="product-name"> {{ itemData.Name }} </div> </div> </template> <script setup lang="ts"> withDefaults(defineProps<{ itemData?: {[key:string]: string} }>(), { itemData: () => ({ Name: '' }), }); </script>
<template> <div> <div ref="target" :class="{'dx-tag-content': true, 'disabled-tag': isDisabled}" :aria-disabled="isDisabled" @mouseenter="show = true" @mouseleave="show = false" > <img :src="tagData.ImageSrc" :alt="`${tagData.Name}. Picture`" class="tag-img" > <span>{{ tagData.Name }}</span> <div v-if="!isDisabled" class="dx-tag-remove-button" /> </div> <DxPopover :visible="show" :target="target" > <p> <b>Name: </b><span>{{ tagData.Name }}</span> </p> <p> <b>Price: </b><span>{{ tagData.Price }}</span> </p> <p> <b>In-stock: </b><span>{{ tagData.Current_Inventory }}</span> </p> <p> <b>Category: </b><span>{{ tagData.Category }}</span> </p> </DxPopover> </div> </template> <script setup lang="ts"> import { ref } from 'vue'; import DxPopover from 'devextreme-vue/popover'; type TagData = Record<string, string>; const props = withDefaults(defineProps<{ tagData?: TagData }>(), { tagData: () => ({} as TagData), }); const isDisabled = ref(props.tagData.Name === 'SuperHD Video Player'); const show = ref(false); const target = ref(null); </script> <style scoped> .dx-tag-content { display: flex; align-items: center; } .tag-img { height: 30px; margin-right: 5px; } .dx-tag-content.disabled-tag { padding-right: 6px; opacity: 0.5; cursor: not-allowed; } </style>
window.exports = window.exports || {}; window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, '*.ts': { loader: 'demo-ts-loader', }, '*.svg': { loader: 'svg-loader', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'root:': '../../../../', 'npm:': 'https://unpkg.com/', }, map: { 'vue': 'npm:vue@3.2.47/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.1.1/index.js', 'demo-ts-loader': 'root:utils/demo-ts-loader.js', 'svg-loader': 'root:utils/svg-loader.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@24.1.4/cjs', 'devextreme-vue': 'npm:devextreme-vue@24.1.4/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.10/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js', 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', // Prettier 'prettier/standalone': 'npm:prettier@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme-vue': { main: 'index.js', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.13/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);
export const simpleProducts = [ 'HD Video Player', 'SuperHD Video Player', 'SuperPlasma 50', 'SuperLED 50', 'SuperLED 42', 'SuperLCD 55', 'SuperLCD 42', 'SuperPlasma 65', 'SuperLCD 70', 'Projector Plus', 'Projector PlusHT', 'ExcelRemote IR', 'ExcelRemote Bluetooth', 'ExcelRemote IP', ]; export const products = [{ Id: 1, Name: 'HD Video Player', Price: 330, Current_Inventory: 225, Backorder: 0, Manufacturing: 10, Category: 'Video Players', ImageSrc: '../../../../images/products/1.png', }, { Id: 2, Name: 'SuperHD Video Player', Price: 400, Current_Inventory: 150, Backorder: 0, Manufacturing: 25, Category: 'Video Players', ImageSrc: '../../../../images/products/2.png', }, { Id: 3, Name: 'SuperPlasma 50', Price: 2400, Current_Inventory: 0, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: '../../../../images/products/3.png', }, { Id: 4, Name: 'SuperLED 50', Price: 1600, Current_Inventory: 77, Backorder: 0, Manufacturing: 55, Category: 'Televisions', ImageSrc: '../../../../images/products/4.png', }, { Id: 5, Name: 'SuperLED 42', Price: 1450, Current_Inventory: 445, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: '../../../../images/products/5.png', }, { Id: 6, Name: 'SuperLCD 55', Price: 1350, Current_Inventory: 345, Backorder: 0, Manufacturing: 5, Category: 'Televisions', ImageSrc: '../../../../images/products/6.png', }, { Id: 7, Name: 'SuperLCD 42', Price: 1200, Current_Inventory: 210, Backorder: 0, Manufacturing: 20, Category: 'Televisions', ImageSrc: '../../../../images/products/7.png', }, { Id: 8, Name: 'SuperPlasma 65', Price: 3500, Current_Inventory: 0, Backorder: 0, Manufacturing: 0, Category: 'Televisions', ImageSrc: '../../../../images/products/8.png', }, { Id: 9, Name: 'SuperLCD 70', Price: 4000, Current_Inventory: 95, Backorder: 0, Manufacturing: 5, Category: 'Televisions', ImageSrc: '../../../../images/products/9.png', }, { Id: 10, Name: 'DesktopLED 21', Price: 175, Current_Inventory: null, Backorder: 425, Manufacturing: 75, Category: 'Monitors', ImageSrc: '../../../../images/products/10.png', }, { Id: 12, Name: 'DesktopLCD 21', Price: 170, Current_Inventory: 210, Backorder: 0, Manufacturing: 60, Category: 'Monitors', ImageSrc: '../../../../images/products/12.png', }, { Id: 13, Name: 'DesktopLCD 19', Price: 160, Current_Inventory: 150, Backorder: 0, Manufacturing: 210, Category: 'Monitors', ImageSrc: '../../../../images/products/13.png', }, { Id: 14, Name: 'Projector Plus', Price: 550, Current_Inventory: null, Backorder: 55, Manufacturing: 10, Category: 'Projectors', ImageSrc: '../../../../images/products/14.png', }, { Id: 15, Name: 'Projector PlusHD', Price: 750, Current_Inventory: 110, Backorder: 0, Manufacturing: 90, Category: 'Projectors', ImageSrc: '../../../../images/products/15.png', }, { Id: 16, Name: 'Projector PlusHT', Price: 1050, Current_Inventory: 0, Backorder: 75, Manufacturing: 57, Category: 'Projectors', ImageSrc: '../../../../images/products/16.png', }, { Id: 17, Name: 'ExcelRemote IR', Price: 150, Current_Inventory: 650, Backorder: 0, Manufacturing: 190, Category: 'Automation', ImageSrc: '../../../../images/products/17.png', }, { Id: 18, Name: 'ExcelRemote Bluetooth', Price: 180, Current_Inventory: 310, Backorder: 0, Manufacturing: 0, Category: 'Automation', ImageSrc: '../../../../images/products/18.png', }, { Id: 19, Name: 'ExcelRemote IP', Price: 200, Current_Inventory: 0, Backorder: 325, Manufacturing: 225, Category: 'Automation', ImageSrc: '../../../../images/products/19.png', }];
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
<!DOCTYPE html> <html lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.4/css/dx.light.css" /> <script type="module"> import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.4.16/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <script src="https://unpkg.com/typescript@4.9.5/lib/typescript.js"></script> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.ts"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>

This demo illustrates the following TagBox properties:

  • items
    An array of items to display in the drop-down list. Do not use the items property and the dataSource property in the same configuration.

  • dataSource
    Binds the TagBox to a data source, which allows you to perform complex data operations. Do not use the dataSource property and the items property in the same configuration.

  • searchEnabled
    Enables interactive item search.

  • showSelectionControls
    Enables item selection controls.

  • applyValueMode
    Specifies whether TagBox applies the selection instantly or after a confirmation.

  • hideSelectedItems
    Specifies whether TagBox removes selected items from the drop-down list.

  • multiline
    Specifies whether TagBox enables horizontal scrolling when the input field cannot fit all selected items.

  • acceptCustomValue
    Allows users to enter custom values. To enable this capability, implement the onCustomItemCreating handler.

  • placeholder
    Sets the value of the placeholder string.

  • value
    Specifies the list of currently selected items.

  • disabled
    Specifies whether the component responds to user interaction.

  • itemTemplate
    Allows you to customize the appearance and content of list items.

  • tagTemplate Allows you to customize the appearance and content of list item tooltips.

To get started with the DevExtreme TagBox component, refer to the following tutorial for step-by-step instructions: Getting Started with TagBox.