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mmis1000/v8-detect.js

Created July 18, 2019 05:52
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Detect v8 js engine using undefined behavior of v8
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v8-detect.js
var isChrome = (() => {
with ({}) {
var a = new ArrayBuffer(16)
new Float64Array(a)[0] = NaN
new Uint8Array(a)[0] = 1
new Float64Array(a)[1] = new Float64Array(a)[0]
return new Uint8Array(a)[8] === 1
}
})
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