var getKeyFrame = function(index, name){ var styleSheet = document.styleSheets[index], keyframesRule = [];
[].slice.call(styleSheet.cssRules).forEach(function(item){ if (item.type == CSSRule.KEYFRAMES_RULE) { if(item.name == name){ keyframesRule.push( item );
}
}
}) return keyframesRule;
}
转载于:https://my.oschina.net/u/232595/blog/475492