Description Usage Arguments Value Examples
Link allows you to create a clickable link within a multi-page app. For links with destinations outside the current app, 'html.A' is a better component to use.
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children |
A list of or a singular dash component, string or number. The children of this component |
id |
Character. The ID of this component, used to identify dash components in callbacks. The ID needs to be unique across all of the components in an app. |
href |
Character. The URL of a linked resource. |
refresh |
Logical. Controls whether or not the page will refresh when the link is clicked |
className |
Character. Often used with CSS to style elements with common properties. |
style |
Named list. Defines CSS styles which will override styles previously set. |
title |
Character. Adds the title attribute to your link, which can contain supplementary information. |
target |
Character. Specifies where to open the link reference. |
loading_state |
Lists containing elements 'is_loading', 'prop_name', 'component_name'. those elements have the following types: - is_loading (logical; optional): determines if the component is loading or not - prop_name (character; optional): holds which property is loading - component_name (character; optional): holds the name of the component that is loading. Object that holds the loading state object coming from dash-renderer |
named list of JSON elements corresponding to React.js properties and their values
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | if (interactive() && require(dash)) {
library(dash)
library(dashCoreComponents)
library(dashHtmlComponents)
app <- Dash$new()
app$layout(htmlDiv(list(
# represents the URL bar, doesn't render anything
dccLocation(id = 'url', refresh=FALSE),
dccLink('Navigate to "/"', href='/'),
htmlBr(),
dccLink('Navigate to "/page-2"', href='/page-2'),
# content will be rendered in this element
htmlDiv(id='page-content')
)
)
)
app$callback(output=list(id='page-content', property='children'),
params=list(
input(id='url', property='pathname')),
function(pathname) {
paste0('You are on page ', pathname)
}
)
app$run_server()
}
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