How to improve page element hiding performance on Android and iOS using jQuery user agent detection?

I've recently started using GoNative, a service that helps me create iOS and Android apps from my website located at

GoNative apps come with user agent detection capabilities, which I've explored in this article:

To hide specific page elements only when visitors are using the apps instead of their mobile browsers, I'm employing the following jQuery code:

<script type="text/javascript">
jQuery(document).ready(function ($){
if (navigator.userAgent.match(/gonative/i)) {
    $('#QuickSearchPlaceholder').hide();
    $('.xbOffCanvasControls').hide();
};
});
</script>

While this process works seamlessly on the iOS app, I've encountered an issue with the Android app. The elements briefly show before being hidden. Is there a way to preload the code to make them disappear faster without showing momentarily?

Any assistance or advice would be greatly appreciated.

javascriptandroidjqueryioscss

Answer №1

To start, the .hide() function typically takes 400ms to execute. However, you can use the options "fast" or specify a specific duration in milliseconds inside the .hide() method to make it faster:

$('#QuickSearchPlaceholder').hide(0);
$('.xbOffCanvasControls').hide(0);

In some cases, there may be a delay before the .ready() event is triggered. If the execution is still too slow, consider using JavaScript without waiting for this event (assuming goNative doesn't require jQuery).

If all else fails, you may need to reconsider your approach: initially hide elements and then show them as needed.

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