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linear-progress

Import

import LinearProgress from '@mui/material/LinearProgress';
// or
import { LinearProgress } from '@mui/material';

Learn about the difference by reading this guide on minimizing bundle size.

ARIA

If the progress bar is describing the loading progress of a particular region of a page, you should use aria-describedby to point to the progress bar, and set the aria-busy attribute to true on that region until it has finished loading.

Props of the native component are also available.

Name Type Default Description
classes object - Override or extend the styles applied to the component. See CSS classes API below for more details.
color ‘inherit’ | ‘primary’ | ‘secondary’ | string ‘primary’ The color of the component. It supports both default and custom theme colors, which can be added as shown in the palette customization guide.
sx Array<func | object | bool> | func | object - The system prop that allows defining system overrides as well as additional CSS styles. See the sx page for more details.
value number - The value of the progress indicator for the determinate and buffer variants. Value between 0 and 100.
valueBuffer number - The value for the buffer variant. Value between 0 and 100.
variant ‘buffer’ | ‘determinate’ | ‘indeterminate’ | ‘query’ ‘indeterminate’ The variant to use. Use indeterminate or query when there is no progress value.

The ref is forwarded to the root element.

Theme default props

You can use MuiLinearProgress to change the default props of this component with the theme.

These class names are useful for styling with CSS. They are applied to the component’s slots when specific states are triggered.

Class name Rule name Description
.MuiLinearProgress-bar bar Styles applied to the layered bar1 and bar2 elements.
.MuiLinearProgress-bar1Buffer bar1Buffer Styles applied to the bar1 element if variant="buffer".
.MuiLinearProgress-bar1Determinate bar1Determinate Styles applied to the bar1 element if variant="determinate".
.MuiLinearProgress-bar1Indeterminate bar1Indeterminate Styles applied to the bar1 element if variant="indeterminate or query".
.MuiLinearProgress-bar2Buffer bar2Buffer Styles applied to the bar2 element if variant="buffer".
.MuiLinearProgress-bar2Indeterminate bar2Indeterminate Styles applied to the bar2 element if variant="indeterminate or query".
.MuiLinearProgress-barColorPrimary barColorPrimary Styles applied to the bar elements if color="primary"; bar2 if variant not “buffer”.
.MuiLinearProgress-barColorSecondary barColorSecondary Styles applied to the bar elements if color="secondary"; bar2 if variant not “buffer”.
.MuiLinearProgress-buffer buffer Styles applied to the root element if variant="buffer".
.MuiLinearProgress-colorPrimary colorPrimary Styles applied to the root and bar2 element if color="primary"; bar2 if variant="buffer".
.MuiLinearProgress-colorSecondary colorSecondary Styles applied to the root and bar2 elements if color="secondary"; bar2 if variant="buffer".
.MuiLinearProgress-dashed dashed Styles applied to the additional bar element if variant="buffer".
.MuiLinearProgress-dashedColorPrimary dashedColorPrimary Styles applied to the additional bar element if variant="buffer" and color="primary".
.MuiLinearProgress-dashedColorSecondary dashedColorSecondary Styles applied to the additional bar element if variant="buffer" and color="secondary".
.MuiLinearProgress-determinate determinate Styles applied to the root element if variant="determinate".
.MuiLinearProgress-indeterminate indeterminate Styles applied to the root element if variant="indeterminate".
.MuiLinearProgress-query query Styles applied to the root element if variant="query".
.MuiLinearProgress-root root Styles applied to the root element.

You can override the style of the component using one of these customization options:

Source code

If you did not find the information in this page, consider having a look at the implementation of the component for more detail.