what is meta name= viewport content= width=device-width initial-scale=1 code example

Example 1: how to set viewport in html

<meta name="viewport" content="width=device-width, initial-scale=1.0">

Example 2: Add a viewport meta tag to the document head to set the width of the layout viewport equal to the width of the device and set the initial scale of the viewport to 1.0.

<meta name="viewport" content="width=device-width, initial-scale=1.0" />

Example 3: responsive meta tag

<meta name="viewport" content="width=device-width, initial-scale=1">