What is meta viewport?

Without a viewport meta tag, mobile devices render pages at typical desktop screen widths and then scale the pages down, making them difficult to read. Setting the viewport meta tag lets you control the width and scaling of the viewport so that it’s sized correctly on all devices.

How do I change meta viewport?

querySelector(“meta[name=viewport]”); viewport. setAttribute(‘content’, ‘width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0’); Just change the parts you need and Mobile Safari will respect the new settings.

Can I use meta viewport?

Enter viewport meta tag To mitigate this problem of virtual viewport on narrow screen devices, Apple introduced the “viewport meta tag” in Safari iOS to let web developers control the viewport’s size and scale. Many other mobile browsers now support this tag, although it is not part of any web standard.

Is meta viewport necessary?

So yes, the meta viewport tag should be used on all websites and is mandatory if you want a good user experience. You may also need to use media queries to change CSS for different screen widths, like collapsing a menubar into a hamburger menu.

What are the options in the meta viewport?

What are the viewport options? There are many options we can include in the content section of the meta viewport. width. Sets the width of the layout viewport. In our case we set this to the “device-width” which overrides Apples default 960px. initial-scale. Sets the initial zoom of the page AND the width of the layout viewport.

Which is the viewport of a web page?

The viewport is the user’s visible area of a web page. It varies with the device, and will be smaller on a mobile phone than on a computer screen. You should include the following viewport element in all your web pages:

Is there support for meta viewport in Opera Mobile?

Support for the viewport meta tag in Opera’s mobile products has been around for quite some time, and from Opera Mobile 11 onward, we have made our viewport implementation more robust, added support for new mechanisms to deal with different screen densities, and included an implementation of our own CSS @viewportrule proposal.

Where can I find list of viewport widths?

If you want to know what mobile and tablet devices have which viewport widths, there is a comprehensive list of mobile and tablet viewport sizes here. This gives information such as viewport width on portrait and landscape orientation as well as physical screen size, operating system and the pixel density of the device.