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adamsilverstein/detect-webp.js

Created June 29, 2022 23:16
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detect-webp.js
( function( d, i, s, p ) {
s = d.createElement( s );
s.src = '{$fallback_url}';
i = d.createElement( i );
i.src = p + 'jIAAABXRUJQVlA4ICYAAACyAgCdASoCAAEALmk0mk0iIiIiIgBoSygABc6zbAAA/v56QAAAAA==';
i.onload = function() {
i.src = p + 'h4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA=';
};
i.onerror = function() {
d.body.appendChild( s );
};
} )( document, 'img', 'script', 'data:image/webp;base64,UklGR' );
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