const ua = navigator.userAgent//浏览器环境判断export let OS = (() => { let isWeixin = /(?:micromessenger)/i.test(ua), isAndroid = /(?:Android)/i.test(ua), isIPhone = /(?:iPhone)/i.test(ua), isiPad = /(?:iPad)/i.test(ua), isPc = !isIPhone && !isAndroid return { isWeixin, isIOS: isiPad || isIPhone, isAndroid, isPc }})()
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