syncfusion-angular-numerictextbox

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Comprehensive guide for implementing Syncfusion Angular NumericTextBox component. Use this when building numeric input controls with validation, formatting, spin buttons, adornments, and accessibility features. This skill covers number formatting, spinners, numeric form validation, and advanced patterns for Angular applications.

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Sourcesyncfusion/angular-ui-components-skills

Added on2026-03-31

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SKILL.md Content

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Implementing Syncfusion Angular NumericTextBox

Component Overview

The Syncfusion Angular NumericTextBox is a specialized input control for numeric values. It provides:

Numeric validation with min/max ranges and strict mode
Formatting (currency, percentage, decimals)
Spin buttons for value adjustment
Adornments (prepend/append templates for icons, labels)
Accessibility (WCAG 2.2, ARIA, keyboard navigation)
Localization (multiple cultures and RTL support)
Form integration (reactive forms, template-driven forms)

Documentation and Navigation Guide

Getting Started

📄 Read: references/getting-started.md

Installation and package setup
Angular 21+ standalone component setup
Basic NumericTextBox implementation
CSS imports and theme configuration
Range validation with min/max
Simple formatting example
Precision and decimals control
Two-way binding setup
Reactive forms integration

Formats and Number Styling

📄 Read: references/formats-styling.md

Standard formats (currency
```
c2
```
, percentage
```
p
```
, numbers
```
n
```
)
Custom numeric format strings
Decimal place control
Currency symbols and localization
Styling NumericTextBox wrapper and icons
CSS customization patterns

Spinners and Step Control

📄 Read: references/spinners-and-step.md

Spin button visibility (
```
showSpinButton
```
)
Step value configuration (
```
step
```
property)
Customizing spin up/down arrow icons
Arrow key interactions
Disabling spin buttons

Adornments and Templates

📄 Read: references/adornments-and-templates.md

Adding prefix/suffix with
```
prependTemplate
```
and
```
appendTemplate
```
Currency symbols and unit labels
Action buttons and icons
Status indicators without affecting validation
Template usage patterns

Validation and Form Integration

📄 Read: references/validation-and-forms.md

Range validation (min/max with strictMode)
Custom validation rules
Error and warning states
Reactive forms patterns

Advanced Patterns and Edge Cases

📄 Read: references/advanced-patterns.md

Maintaining trailing zeros on focus
Preventing nullable input (always require a value)
Nullable input configuration
Clear button behavior
Read-only and disabled states
Focus and blur event handling
Float label types (Always, Auto, Never)
Performance optimization

Accessibility and Migration

📄 Read: references/accessibility-and-migration.md

WCAG 2.2 Level AA compliance
ARIA attributes (spinbutton role, aria-valuemin, aria-valuemax, etc.)
Keyboard navigation (Arrow Up/Down)
Screen reader support
RTL support for right-to-left languages
EJ1 to EJ2 API migration guide
Localization and globalization

Globalization and Localization

📄 Read: references/globalization.md

Locale property configuration
Culture-specific number formatting
RTL (right-to-left) support
International number formats

API Reference

📄 Read: references/api.md

All component properties with types, defaults, and descriptions
All public methods with signatures and usage examples
All events with argument interface details

ChangeEventArgs

,

NumericBlurEventArgs

,

NumericFocusEventArgs

interfaces

Complete summary tables for quick lookup

Quick Start Example

typescript

import { NumericTextBoxModule } from '@syncfusion/ej2-angular-inputs';
import { Component } from '@angular/core';

@Component({
  imports: [NumericTextBoxModule],
  standalone: true,
  selector: 'app-root',
  template: `
    <ejs-numerictextbox
      value="100"
      min="10"
      max="1000"
      step="5"
      format="c2"
      placeholder="Enter amount">
    </ejs-numerictextbox>
  `
})
export class AppComponent {}

Common Patterns

Currency Input with Validation

typescript

<ejs-numerictextbox
  value="50.00"
  format="c2"
  currency="USD"
  min="0"
  max="10000"
  decimals="2"
  strictMode="true">
</ejs-numerictextbox>

Percentage Input

typescript

<ejs-numerictextbox
  value="25"
  format="p"
  min="0"
  max="100"
  step="1">
</ejs-numerictextbox>

With Adornments (Unit Label)

typescript

<ejs-numerictextbox
  value="100"
  [appendTemplate]="appendUnit">
</ejs-numerictextbox>

<ng-template #appendUnit>
  <span class="unit-label">kg</span>
</ng-template>

Two-Way Binding with Form Control

typescript

<ejs-numerictextbox
  [(ngModel)]="quantity"
  min="1"
  max="100"
  step="1">
</ejs-numerictextbox>

Key Properties

Property	Type	Purpose	Default
`value`	number	Current numeric value	`null`
`min`	number	Minimum allowed value	`Number.MIN_VALUE`
`max`	number	Maximum allowed value	`Number.MAX_VALUE`
`step`	number	Increment/decrement amount	`1`
`decimals`	number	Decimal places allowed	`null`
`format`	string	Number format (e.g., 'c2', 'n2', 'p')	`null`
`currency`	string	Currency code (e.g., 'USD', 'EUR')	`null`
`strictMode`	boolean	Enforce min/max validation	`false`
`showSpinButton`	boolean	Show up/down spinner buttons	`true`
`showClearButton`	boolean	Show clear button	`false`
`readonly`	boolean	Prevent editing	`false`
`disabled`	boolean	Disable the component	`false`
`locale`	string	Culture code (e.g., 'de-DE', 'fr-FR')	`'en-US'`
`enableRtl`	boolean	Enable right-to-left mode	`false`
`placeholder`	string	Hint text	`null`
`floatLabelType`	string	Label float behavior ('Auto', 'Always', 'Never')	`'Never'`

Common Use Cases

E-Commerce Quantity Input — Product quantity selector with min/max validation
Financial Forms — Currency input with currency symbol and decimal places
Scientific Applications — High-precision decimal inputs
Survey/Form Data — Percentage inputs with 0-100 range
Multi-Language Support — Numbers formatted per user locale
Accessibility-First Forms — WCAG-compliant numeric inputs
Mobile-Friendly — Touch-friendly spin buttons and keyboard input

syncfusion-angular-numerictextbox

NPX Install

Tags

SKILL.md Content

Implementing Syncfusion Angular NumericTextBox

Component Overview

Documentation and Navigation Guide

Getting Started

Formats and Number Styling

Spinners and Step Control

Adornments and Templates

Validation and Form Integration

Advanced Patterns and Edge Cases

Accessibility and Migration

Globalization and Localization

API Reference

Quick Start Example

Common Patterns

Currency Input with Validation

Percentage Input

With Adornments (Unit Label)

Two-Way Binding with Form Control

Key Properties

Common Use Cases

See Also