What is the function of expand collapse button?

This pattern creates a button that toggles an element as hidden (collapsed) or not hidden (expanded). The element’s current state and changes in the element’s state are communicated to screen reader users.

What does collapse mean in bootstrap?

The collapse JavaScript plugin is used to show and hide content. Buttons or anchors are used as triggers that are mapped to specific elements you toggle. Collapsing an element will animate the height from its current value to 0 .

How do you make a div horizontal?

To Horizontally centered the element:

1. We can use the property of margin set to auto i.e margin: auto;.
2. The element takes up its specified width and divides equally the remaining space by the left and right margins.

What is collapse in HTML?

collapse class indicates a collapsible element (a in our example); this is the content that will be shown or hidden with a click of a button. To control (show/hide) the collapsible content, add the data-toggle=”collapse” attribute to an or a element.

What do you mean by collapsed?

1 : to fall or shrink together abruptly and completely : fall into a jumbled or flattened mass through the force of external pressure a blood vessel that collapsed. 2 : to break down completely : disintegrate … his case had collapsed in a mass of legal wreckage …— Erle Stanley Gardner.

How do you expand and collapse in HTML?

To make an animated collapsible, add max-height: 0 , overflow: hidden and a transition for the max-height property, to the panel class.

What is the horizontal?

Anything parallel to the horizon is called horizontal. As vertical is the opposite of horizontal, anything that makes a 90-degree angle (right angle) with the horizontal or the horizon is called vertical. So, the horizontal line is one that runs across from left to right.

What do you mean by expanding?

1 : to open up : unfold. 2 : to increase the extent, number, volume, or scope of : enlarge. 3a : to express at length or in greater detail. b : to write out in full expand all abbreviations. c : to subject to mathematical expansion expand a function in a power series.

What causes collapsing?

It can be caused by triggers that include heat, standing for a long time, seeing blood, or a shock. It can also happen when you stand up quickly, especially if you are tired, dehydrated or have low blood pressure or low blood sugar.

What does fully collapsible mean?

capable of collapsing or of being collapsed, as for carrying or storing. noun.

What is horizontally example?

A man lying flat on the floor is the same as a man lying horizontally on the floor. Horizontal is the opposite of vertical. In geometry, we use the words vertical and horizontal for standing and sleeping respectively. The line at which the earth’s surface and the sky appear to meet is called the horizon.

What is horizontal addition?

Horizontal addition is a summation strategy that breaks down the summands by taking note of the positional value and continuing with the addition. The sums in the addition chain do not mix the positional values, making it easier for students to comprehend the addition.

What is an example of expanding?

To become expanded; spread out, unfold, enlarge, etc. Expand is defined as to increase in size, unfold or spread out. An example of expand is someone making friends at a party. An example of expand is a pregnant woman’s belly.

What is expansion with example?

Expansion is defined as the act of getting bigger or something added onto something else. An example of an expansion is an extra three rooms built onto a house. noun.

What should you do if you collapse?

If you feel like you are about to faint, try to:

1. lie down with your legs raised – if you cannot do this then sit with your head lowered between your knees.
2. drink some water.
3. eat something.
4. take some deep breaths.