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// Browser environment sniffing
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export const inBrowser = typeof window !== 'undefined';
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export const inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
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export const weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
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export const UA = inBrowser && window.navigator.userAgent.toLowerCase();
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export const isIE = UA && /msie|trident/.test(UA);
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export const isIE9 = UA && UA.indexOf('msie 9.0') > 0;
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export const isEdge = UA && UA.indexOf('edge/') > 0;
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export const isAndroid = (UA && UA.indexOf('android') > 0) || weexPlatform === 'android';
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export const isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || weexPlatform === 'ios';
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export const isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
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export const isPhantomJS = UA && /phantomjs/.test(UA);
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export const isFF = UA && UA.match(/firefox\/(\d+)/);
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