Is there a method to prevent zoom-in and zoom-out functionality on responsive design pages for iPad, iPhone, or other smartphones?
Are there any techniques available to restrict this capability?
Is there a method to prevent zoom-in and zoom-out functionality on responsive design pages for iPad, iPhone, or other smartphones?
Are there any techniques available to restrict this capability?
To disable the ability for users to zoom in or out on a webpage, add a META viewport tag with the user-scalable property set to 'no', as shown below:
<meta name="viewport" content="user-scalable=no" />
Here is an updated solution:-
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
This situation is essentially excluding individuals who are above 30 years old, as limiting zoom capabilities only results in them having to rely on reading glasses. Perhaps this is your intention.
One potential solution for these users is to utilize RDP or VNC to access a desktop browser and adjust the view accordingly.
Perhaps the question should be phrased as "how to disable" or "how to suppress". It is important to identify devices using the user agent string.
Here is the script to disable zoom functionality:
<script type="text/javascript">
document.addEventListener('touchmove', function (event) {
if (event.scale !== 1) { event.preventDefault(); }
}, { passive: false });
</script>
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