What is viewport height CSS?

Viewport Height (vh). This unit is based on the height of the viewport. A value of 1vh is equal to 1% of the viewport height. Viewport Width (vw). This unit is based on the width of the viewport.

What is viewport width and height?

In an SVG document, the viewport is the visible area of the SVG image. You can set any height and width on an SVG, but the whole image might not be visible. The area that is visible is called the viewport. The size of the viewport can be defined using the width and height attributes of the element.

How do I set height to viewport?

Using {height: 100vh;} matches the height of the viewport. According to Mozilla’s official documents, 1vh is: Equal to 1% of the height of the viewport’s initial containing block. You need to give height for the parent element too!

What is the value of viewport maximum in CSS?

Similarly, if the viewport width is smaller than the height, the value of 1vmin will be equal to 1% of the viewport width. Viewport Maximum (vmax) — This unit is based on the larger dimension of the viewport. If the viewport height is larger than the width, the value of 1vmax will be equal to 1% of viewport height.

How to get height of viewport in JavaScript?

Now let’s get the inner height of the viewport in JavaScript: We told JavaScript to grab the height of the viewport and then drilled it down into 1/100th of that total so we have a value to assign as our viewport height unit value. Then we politely asked JS to create the CSS variable ( –vh) at the :root.

How to make full view port height section CSS?

How to make full view port height section CSS Often while working on an app you might need to make a particular section cover the whole viewport of the user’s device. This is easily achieved by setting the height of the display to 100vh. This simply means 100 percent of the viewport height.

What are the four viewport based units in CSS?

There are four viewport based units in CSS. These are vh, vw, vmin and vmax. Viewport Height (vh) — This unit is based on the height of the viewport. A value of 1vh is equal to 1% of the viewport height.