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leplay/detect-emoji-support.js

Last active March 20, 2019 13:43
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Detects support for emoji character sets.
Raw
detect-emoji-support.js
// https://stackoverflow.com/questions/45576748/how-can-i-detect-rendering-support-for-emoji-in-javascript
// https://raw.githubusercontent.com/Modernizr/Modernizr/master/feature-detects/emoji.js
// function check (emoji) {
// var pixelRatio = window.devicePixelRatio || 1;
// var offset = 12 * pixelRatio;
// var node = document.createElement('canvas');
// var ctx = node.getContext('2d');
// ctx.fillStyle = '#f00';
// ctx.textBaseline = 'top';
// ctx.font = '32px Arial';
// ctx.fillText(emoji, 0, 0); // U+1F428 KOALA
// console.log(ctx.getImageData(offset, offset, 1, 1).data[0] !== 0)
// return ctx.getImageData(offset, offset, 1, 1).data[0] !== 0
// }
check('😁')
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