js-Code zur Browser-Zoom-Erkennung

In diesem Artikel wird hauptsächlich der JS-Code für die Browser-Zoom-Erkennung vorgestellt. Freunde in Not können sich darauf beziehen.

Testcode

http://jsbin.com/dipijeqi/11

Effekt:

Chrome:

window.devicePixelRatio : 2  (准确)
screen.deviceXDPI / screen.logicalXDPI : NaN
window.outerWidth / window.innerWidth : 2
document.documentElement.offsetHeight / window.innerHeight : 0.020618556701030927 (有相关性)
window.top.outerWidth / window.top.innerWidth : 2

ff:

window.devicePixelRatio : 1.5 (准确)
screen.deviceXDPI / screen.logicalXDPI : NaN
window.outerWidth / window.innerWidth : 1.0114583333333333
document.documentElement.offsetHeight / window.innerHeight : 0.023391812865497075  (有相关性)
window.top.outerWidth / window.top.innerWidth : 1.0114583333333333

also 8:

window.devicePixelRatio : undefined
screen.deviceXDPI / screen.logicalXDPI : 1.5416666666666667 (大致准确)
window.outerWidth / window.innerWidth : NaN
document.documentElement.offsetHeight / window.innerHeight : NaN
window.top.outerWidth / window.top.innerWidth : NaN

ie11:

window.devicePixelRatio : 1.5 (准确)
screen.deviceXDPI / screen.logicalXDPI : 1.5window.outerWidth / window.innerWidth : 1.0084033613445377document.documentElement.offsetHeight / window.innerHeight : 0.02203856749311295 (有相关性)window.top.outerWidth / window.top.innerWidth : 1.0084033613445377

ie10:

window.devicePixelRatio : undefined
screen.deviceXDPI / screen.logicalXDPI : 1.5 (准确)
window.outerWidth / window.innerWidth : 1.0084033613445377
document.documentElement.offsetHeight / window.innerHeight : 1
window.top.outerWidth / window.top.innerWidth : 1.0084033613445377

ie9:

window.devicePixelRatio : undefined
screen.deviceXDPI / screen.logicalXDPI : 1.5 (准确)
window.outerWidth / window.innerWidth : 1.0084033613445377
document.documentElement.offsetHeight / window.innerHeight : 1
window.top.outerWidth / window.top.innerWidth : 1.0084033613445377

360 6.3 (überhaupt keine Antwort):

window.devicePixelRatio : undefined
screen.deviceXDPI / screen.logicalXDPI : 1
window.outerWidth / window.innerWidth : NaN
document.documentElement.offsetHeight / window.innerHeight : NaN
window.top.outerWidth / window.top.innerWidth : NaN

360 Hochgeschwindigkeitsbrowser:

window.devicePixelRatio : 1
screen.deviceXDPI / screen.logicalXDPI : NaN
window.outerWidth / window.innerWidth : 1.5
document.documentElement.offsetHeight / window.innerHeight : 0.015267175572519083
window.top.outerWidth / window.top.innerWidth : 1.5(准确)

Sogou Hochgeschwindigkeit Browser (vollständig Keine Antwort):

window.devicePixelRatio : undefined
screen.deviceXDPI / screen.logicalXDPI : 1
window.outerWidth / window.innerWidth : NaN
document.documentElement.offsetHeight / window.innerHeight : NaN
window.top.outerWidth / window.top.innerWidth : NaN

Taobao-Browser:

window.devicePixelRatio : 1
screen.deviceXDPI / screen.logicalXDPI : NaN
window.outerWidth / window.innerWidth : 2.0710059171597632  (大致准确)
document.documentElement.offsetHeight / window.innerHeight : 0.022988505747126436
window.top.outerWidth / window.top.innerWidth : 2.0710059171597632

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