這篇文章主要介紹了瀏覽器縮放檢測的js程式碼,需要的朋友可以參考下。
測試程式碼
效果:
效果:
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
chrome:
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
ff:
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
ie 8:
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 : 1.0084033613445377ie11:
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 : 1.0084033613445377ie10:
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 : 1.0084033613445377ie9:
ie9:
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
ie9:
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)
ie9:
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
ie9:
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>360 6.3(完全沒反應):360極速瀏覽器:搜身>搜沒反應):淘寶瀏覽器:以上就是本章的全部內容,更多相關教學請造訪JavaScript影片教學!