Refer to the sample to customize expand/collapse icons. This component will be provided with the two property functions expandAll and collapseAll.
A valid React component that will be rendered in aIt keeps and handles the state of all the elements.
In the else statement, collapse all other accordion menus using the display none CSS property, as well as reset the default icon to “+”. You can customize TreeView expand and collapse icons by using the cssClass property of TreeView. ComponentsIn the end, I had to add a default opacity: 0 to the very first state when nothing has happened yet, and then later on add a.
Simple css expand collapse how to#
Figuring out how to animate the expansion was relatively easy, but I had a hard time implementing the de-animation (going from expanded to collapsed).
Simple css expand collapse code#
Now, move the two lines of code inside the condition block, but this time with the incrementor j instead of i. A simple CSS & JavaScript implementation of expanding a card on click. To do that, iterate through the contents array inside the click event and check to see if the index value of the headers array matches the index value of the contents array which is i = j. Dense packing also works if the column widths are flexible, for example, by using minmax (20rem, 1f). In this case, the dense packing algorithm tries to fills in holes earlier in the grid.
What if you want to open only the clicked accordion menu item and have the others collapse. The grid-auto-flow property controls how the CSS Grid auto-placement algorithm works.
To control (show/hide) the collapsible content, add the data-toggle'collapse' attribute to an or a 