Alert
Alert component for feedback.
When To Use#
- When you need to show alert messages to users. 
- When you need a persistent static container which is closable by user actions. 
Examples
TypeScript
JavaScript
import { Alert } from 'antd';
import React from 'react';
const App: React.FC = () => <Alert message="Success Text" type="success" />;
export default App;TypeScript
JavaScript
import { Alert } from 'antd';
import React from 'react';
const onClose = (e: React.MouseEvent<HTMLButtonElement, MouseEvent>) => {
  console.log(e, 'I was closed.');
};
const App: React.FC = () => (
  <>
    <Alert
      message="Warning Text Warning Text Warning TextW arning Text Warning Text Warning TextWarning Text"
      type="warning"
      closable
      onClose={onClose}
    />
    <Alert
      message="Error Text"
      description="Error Description Error Description Error Description Error Description Error Description Error Description"
      type="error"
      closable
      onClose={onClose}
    />
  </>
);
export default App;Detailed description and advice about successful copywriting.
Additional description and information about copywriting.
This is a warning notice about copywriting.
This is an error message about copywriting.
TypeScript
JavaScript
import { Alert } from 'antd';
import React from 'react';
const App: React.FC = () => (
  <>
    <Alert message="Success Tips" type="success" showIcon />
    <Alert message="Informational Notes" type="info" showIcon />
    <Alert message="Warning" type="warning" showIcon closable />
    <Alert message="Error" type="error" showIcon />
    <Alert
      message="Success Tips"
      description="Detailed description and advice about successful copywriting."
      type="success"
      showIcon
    />
    <Alert
      message="Informational Notes"
      description="Additional description and information about copywriting."
      type="info"
      showIcon
    />
    <Alert
      message="Warning"
      description="This is a warning notice about copywriting."
      type="warning"
      showIcon
      closable
    />
    <Alert
      message="Error"
      description="This is an error message about copywriting."
      type="error"
      showIcon
    />
  </>
);
export default App;TypeScript
JavaScript
import { Alert } from 'antd';
import React from 'react';
const App: React.FC = () => (
  <>
    <Alert message="Warning text" banner />
    <br />
    <Alert
      message="Very long warning text warning text text text text text text text"
      banner
      closable
    />
    <br />
    <Alert showIcon={false} message="Warning text without icon" banner />
    <br />
    <Alert type="error" message="Error text" banner />
  </>
);
export default App;placeholder text here
TypeScript
JavaScript
import { Alert } from 'antd';
import React, { useState } from 'react';
const App: React.FC = () => {
  const [visible, setVisible] = useState(true);
  const handleClose = () => {
    setVisible(false);
  };
  return (
    <div>
      {visible ? (
        <Alert message="Alert Message Text" type="success" closable afterClose={handleClose} />
      ) : null}
      <p>placeholder text here</p>
    </div>
  );
};
export default App;Error Description Error Description Error Description Error Description
TypeScript
JavaScript
import { Alert, Button, Space } from 'antd';
import React from 'react';
const App: React.FC = () => (
  <>
    <Alert
      message="Success Tips"
      type="success"
      showIcon
      action={
        <Button size="small" type="text">
          UNDO
        </Button>
      }
      closable
    />
    <Alert
      message="Error Text"
      showIcon
      description="Error Description Error Description Error Description Error Description"
      type="error"
      action={
        <Button size="small" danger>
          Detail
        </Button>
      }
    />
    <Alert
      message="Warning Text"
      type="warning"
      action={
        <Space>
          <Button size="small" type="ghost">
            Done
          </Button>
        </Space>
      }
      closable
    />
    <Alert
      message="Info Text"
      description="Info Description Info Description Info Description Info Description"
      type="info"
      action={
        <Space direction="vertical">
          <Button size="small" type="primary">
            Accept
          </Button>
          <Button size="small" danger type="ghost">
            Decline
          </Button>
        </Space>
      }
      closable
    />
  </>
);
export default App;TypeScript
JavaScript
import { Alert } from 'antd';
import React from 'react';
const App: React.FC = () => (
  <>
    <Alert message="Success Text" type="success" />
    <Alert message="Info Text" type="info" />
    <Alert message="Warning Text" type="warning" />
    <Alert message="Error Text" type="error" />
  </>
);
export default App;TypeScript
JavaScript
import { Alert } from 'antd';
import React from 'react';
const App: React.FC = () => (
  <>
    <Alert
      message="Success Text"
      description="Success Description Success Description Success Description"
      type="success"
    />
    <Alert
      message="Info Text"
      description="Info Description Info Description Info Description Info Description"
      type="info"
    />
    <Alert
      message="Warning Text"
      description="Warning Description Warning Description Warning Description Warning Description"
      type="warning"
    />
    <Alert
      message="Error Text"
      description="Error Description Error Description Error Description Error Description"
      type="error"
    />
  </>
);
export default App;TypeScript
JavaScript
import { Alert } from 'antd';
import React from 'react';
const App: React.FC = () => <Alert message="Info Text" type="info" closeText="Close Now" />;
export default App;TypeScript
JavaScript
import { Alert } from 'antd';
import React from 'react';
import Marquee from 'react-fast-marquee';
const App: React.FC = () => (
  <Alert
    banner
    message={
      <Marquee pauseOnHover gradient={false}>
        I can be a React component, multiple React components, or just some text.
      </Marquee>
    }
  />
);
export default App;TypeScript
JavaScript
import { Alert, Button } from 'antd';
import React, { useState } from 'react';
const { ErrorBoundary } = Alert;
const ThrowError: React.FC = () => {
  const [error, setError] = useState<Error>();
  const onClick = () => {
    setError(new Error('An Uncaught Error'));
  };
  if (error) {
    throw error;
  }
  return (
    <Button danger onClick={onClick}>
      Click me to throw a error
    </Button>
  );
};
const App: React.FC = () => (
  <ErrorBoundary>
    <ThrowError />
  </ErrorBoundary>
);
export default App;API#
| Property | Description | Type | Default | Version | 
|---|---|---|---|---|
| action | The action of Alert | ReactNode | - | 4.9.0 | 
| afterClose | Called when close animation is finished | () => void | - | |
| banner | Whether to show as banner | boolean | false | |
| closable | Whether Alert can be closed | boolean | - | |
| closeText | Close text to show | ReactNode | - | |
| closeIcon | Custom close icon | ReactNode | <CloseOutlined /> | 4.18.0 | 
| description | Additional content of Alert | ReactNode | - | |
| icon | Custom icon, effective when showIconis true | ReactNode | - | |
| message | Content of Alert | ReactNode | - | |
| showIcon | Whether to show icon | boolean | false, in bannermode default is true | |
| type | Type of Alert styles, options: success,info,warning,error | string | info, inbannermode default iswarning | |
| onClose | Callback when Alert is closed | (e: MouseEvent) => void | - | 
Alert.ErrorBoundary#
| Property | Description | Type | Default | Version | 
|---|---|---|---|---|
| description | Custom error description to show | ReactNode | {{ error stack }} | |
| message | Custom error message to show | ReactNode | {{ error }} |