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June 9, 2017 12:20
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Get iOS version via javascript
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class Semver { | |
constructor(major, minner, patch) { | |
this.major = major; | |
this.minner = minner; | |
this.patch = patch; | |
} | |
toString() { | |
return `${this.major}_${this.minner}_${this.patch}`; | |
} | |
} | |
function isIOS() { | |
const ua = navigator.userAgent; | |
return ua.indexOf("iPhone") > 0 || ua.indexOf("iPad") > 0 || ua.indexOf("iPhone") > 0; | |
} | |
function getIOSSemever() { | |
if (isIOS()) { | |
const extract = navigator.userAgent.match(/OS (\d+)_(\d+)_?(\d+)?/); | |
return new Semver( | |
parseInt(extract[1] || 0, 10), | |
parseInt(extract[2] || 0, 10), | |
parseInt(extract[3] || 0, 10) | |
); | |
} else { | |
return null; // or [0,0,0] | |
} | |
} | |
function isOverIOS9() { | |
const semver = getIOSSemever(); | |
console.log(`version: ${semver.toString()}`); | |
return semver.major >= 9; | |
} | |
// - exec | |
console.log(`overIOS9: ${isOverIOS9()}`); |
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