How to Differentiate Between iPad/iPhone Webview and Native Safari Using JavaScript?

Detecting iPad/iPhone Webview via JavaScript: A Comprehensive Solution

Differentiating between a website running within Safari on an iPad and within an application's WebView can be crucial for optimizing website functionality and user experience. JavaScript provides an effective way to achieve this.

Let's explore a JavaScript solution that combines two key properties:

• window.navigator.userAgent: Contains information about the user's browser and operating system.
• window.navigator.standalone: Indicates whether the web app is running in standalone mode.

Using these properties, we can create a conditional statement that distinguishes between four scenarios:

1. Safari (Browser): standalone === false and safari === true
2. Standalone (Fullscreen): standalone === true and safari === false
3. UIWebView: standalone === false and safari === false
4. Not iOS: No match for ios in the user agent string

Below is a code snippet demonstrating this solution:

<code class="javascript">var standalone = window.navigator.standalone,
    userAgent = window.navigator.userAgent.toLowerCase(),
    safari = /safari/.test( userAgent ),
    ios = /iphone|ipod|ipad/.test( userAgent );

if( ios ) {
    if ( !standalone &amp;&amp; safari ) {
        //browser
    } else if ( standalone &amp;&amp; !safari ) {
        //standalone
    } else if ( !standalone &amp;&amp; !safari ) {
        //uiwebview
    };
} else {
    //not iOS
};</code>

By leveraging this JavaScript code, developers can effectively detect the environment in which their website is running on iOS devices, allowing them to tailor website functionality and enhance user experience accordingly.

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