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The DevExtreme HTML5 JavaScript Funnel Chart visualizes a value at different stages. It helps assess value changes throughout these stages and identify potential issues. In this demo, the Funnel shows the percentage of website users that performed a certain action: downloaded a trial, contacted support, purchased a subscription, etc. The chart shows that most users decided not to subscribe after contacting support. You can use this information to make a decision, for example, to provide extra training for the support team.

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<dx-funnel id="funnel" [dataSource]="data" argumentField="argument" valueField="value" palette="Soft Pastel"> <dxo-title text="Website Conversions" [margin]="30"></dxo-title> <dxo-export [enabled]="true"></dxo-export> <dxo-tooltip [enabled]="true" [format]="fixedPoint"> </dxo-tooltip> <dxo-item> <dxo-border [visible]="true"> </dxo-border> </dxo-item> <dxo-label [visible]="true" position="inside" backgroundColor="none" [customizeText]="customizeText" ></dxo-label> </dx-funnel>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxFunnelModule } from 'devextreme-angular'; import { itemInfo, Service } from './app.service'; if(!/localhost/.test( { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service] }) export class AppComponent { data: itemInfo[]; constructor(service: Service) { = service.getData(); } customizeText(arg: any) { return "<span style='font-size: 28px'>" + arg.percentText + "</span><br/>" + arg.item.argument; } } @NgModule({ imports: [ BrowserModule, DxFunnelModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #funnel { height: 440px; }
import { Injectable } from '@angular/core'; export class itemInfo { argument: string; value: number; } let data: itemInfo[] = [ { argument: "Visited the Website", value: 9152 }, { argument: "Downloaded a Trial", value: 6879 }, { argument: "Contacted Support", value: 5121 }, { argument: "Subscribed", value: 2224 }, { argument: "Renewed", value: 1670 } ]; @Injectable() export class Service { getData(): itemInfo[] { return data; } }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here: // System.config({ transpiler: 'ts', typescriptOptions: { module: "commonjs", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" } }, paths: { 'npm:': '' }, map: { 'ts': 'npm:plugin-typescript@7.0.6/lib/plugin.js', 'typescript': 'npm:typescript@2.2.2/lib/typescript.js', '@angular/core': 'npm:@angular/core@5.1.2/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@5.1.2/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@5.1.2/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@5.1.2/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@5.1.2/bundles/platform-browser-dynamic.umd.js', '@angular/http': 'npm:@angular/http@5.1.2/bundles/http.umd.js', '@angular/router': 'npm:@angular/router@5.1.2/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@5.1.2/bundles/forms.umd.js', '@angular/common/http': 'npm:@angular/common@5.1.2/bundles/common-http.umd.js', 'tslib': 'npm:tslib/tslib.js', 'rxjs': 'npm:rxjs@5.3.1', 'devextreme': 'npm:devextreme@18.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'devextreme-angular': 'npm:devextreme-angular@18.1' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme-angular': { main: 'index.js', defaultExtension: 'js' } } });
<!DOCTYPE html> <html xmlns=""> <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=1.0" /> <link rel="stylesheet" type="text/css" href="" /> <link rel="stylesheet" type="text/css" href="" /> <link rel="dx-theme" data-theme="generic.light" href="" /> <script src=""></script> <script src=""></script> <script src=""></script> <script src=""></script> <script src="config.js"></script> <script> System.import('app').catch(console.error.bind(console)); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> </body> </html>