chrome responsive mode not working code example

Example 1: chrome responsive mode not working

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

Example 2: chrome toggle device toolbar not working

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