https://wiki.stephanschlegel.de/index.php?action=history&feed=atom&title=JavaScript_-_iOS_Orientation_Change_Fix 2026-05-07T06:11:26Z Versionsgeschichte dieser Seite in Wikizone MediaWiki 1.35.14 https://wiki.stephanschlegel.de/index.php?title=JavaScript_-_iOS_Orientation_Change_Fix&diff=22555&oldid=prev 2017-10-30T09:41:25Z

<p>Die Seite wurde neu angelegt: „&lt;syntaxhighlight lang=&quot;javascript&quot;&gt; <span dir="auto"><span class="autocomment">! A fix for the iOS orientationchange zoom bug. Script by @scottjehl, rebound by @wilto. MIT / GPLv2 License.: </span> (funct…“</span></p> <p><b>Neue Seite</b></p><div>&lt;syntaxhighlight lang=&quot;javascript&quot;&gt;<br /> /*! A fix for the iOS orientationchange zoom bug.<br /> Script by @scottjehl, rebound by @wilto.<br /> MIT / GPLv2 License.<br /> */<br /> (function(w){<br /> <br /> // This fix addresses an iOS bug, so return early if the UA claims it&#039;s something else.<br /> var ua = navigator.userAgent;<br /> if( !( /iPhone|iPad|iPod/.test( navigator.platform ) &amp;&amp; /OS [1-5]_[0-9_]* like Mac OS X/i.test(ua) &amp;&amp; ua.indexOf( &quot;AppleWebKit&quot; ) &gt; -1 ) ){<br /> return;<br /> }<br /> <br /> var doc = w.document;<br /> <br /> if( !doc.querySelector ){ return; }<br /> <br /> var meta = doc.querySelector( &quot;meta[name=viewport]&quot; ),<br /> initialContent = meta &amp;&amp; meta.getAttribute( &quot;content&quot; ),<br /> disabledZoom = initialContent + &quot;,maximum-scale=1&quot;,<br /> enabledZoom = initialContent + &quot;,maximum-scale=10&quot;,<br /> enabled = true,<br /> x, y, z, aig;<br /> <br /> if( !meta ){ return; }<br /> <br /> function restoreZoom(){<br /> meta.setAttribute( &quot;content&quot;, enabledZoom );<br /> enabled = true;<br /> }<br /> <br /> function disableZoom(){<br /> meta.setAttribute( &quot;content&quot;, disabledZoom );<br /> enabled = false;<br /> }<br /> <br /> function checkTilt( e ){<br /> aig = e.accelerationIncludingGravity;<br /> x = Math.abs( aig.x );<br /> y = Math.abs( aig.y );<br /> z = Math.abs( aig.z );<br /> <br /> // If portrait orientation and in one of the danger zones<br /> if( (!w.orientation || w.orientation === 180) &amp;&amp; ( x &gt; 7 || ( ( z &gt; 6 &amp;&amp; y &lt; 8 || z &lt; 8 &amp;&amp; y &gt; 6 ) &amp;&amp; x &gt; 5 ) ) ){<br /> if( enabled ){<br /> disableZoom();<br /> } <br /> }<br /> else if( !enabled ){<br /> restoreZoom();<br /> }<br /> }<br /> <br /> w.addEventListener( &quot;orientationchange&quot;, restoreZoom, false );<br /> w.addEventListener( &quot;devicemotion&quot;, checkTilt, false );<br /> <br /> })( this );<br /> &lt;/syntaxhighlight&gt;</div>

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