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Cutting the mustard
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| // How To Decide Which Browsers are Handles as 'HTML5' | |
| // We should pick/adapt to our personal situation but these are some good starting points... | |
| // Notably: IE8 is _not_ considered 'HTML5 supporting'. | |
| // 1) The BBC original... | |
| // http://responsivenews.co.uk/post/18948466399/cutting-the-mustard | |
| if('querySelector' in document && 'localStorage' in window && 'addEventListener' in window) { | |
| document.documentElement.className += 'js'; | |
| // bootstrap the javascript application | |
| } | |
| // 2) One without localStorage but with [].forEach() | |
| // http://gomakethings.com/ditching-jquery-for-vanilla-js/ | |
| // .. also check out http://cferdinandi.github.io/buoy/ | |
| if ( 'querySelector' in document && 'addEventListener' in window && Array.prototype.forEach ) { | |
| document.documentElement.className += 'js'; | |
| // bootstrap the javascript application | |
| } | |
| // Consder adding SVG-as-IMG | |
| // From: http://css-tricks.com/test-support-svg-img/ | |
| doesSVGasIMG = document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Image", "1.1"); | |
| // We _could_ polyfill existing stuff, but pick wisely! | |
| // E.g. Working with classes: http://toddmotto.com/apollo-js-standalone-class-manipulation-api-for-html5-and-legacy-dom/ | |
| // Etc.. | |
| // BUT: the point of Cutting the Mustard is to Progressivly Enhance: not to Polyfill all the things! |
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Also: look into using
visibilityState: https://justmarkup.com/log/2015/02/26/cut-the-mustard-revisited/