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delphinpro/viewport.js

Created June 19, 2017 19:11
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Conditional meta viewport
Raw
viewport.js
/*
* Paste into the end <head>
*/
(function(){
var width = screen.width;
var oldViewport = document.querySelector('meta[name="viewport"]');
var viewport = document.createElement('meta');
viewport.setAttribute('name', 'viewport');
viewport.setAttribute('content', 'width=' + (width <= 640 ? '640' : 'device-width'));
document.head.replaceChild(viewport, oldViewport);
})();
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