parent
6abe45c218
commit
91a2ef8770
@ -0,0 +1,20 @@
|
||||
let ratio = 0,
|
||||
screen = window.screen,
|
||||
ua = navigator.userAgent.toLowerCase()
|
||||
if (window.devicePixelRatio !== undefined) {
|
||||
ratio = window.devicePixelRatio
|
||||
} else if (~ua.indexOf('msie')) {
|
||||
if (screen.deviceXDPI && screen.logicalXDPI) {
|
||||
ratio = screen.deviceXDPI / screen.logicalXDPI
|
||||
}
|
||||
} else if (window.outerWidth !== undefined && window.innerWidth !== undefined) {
|
||||
ratio = window.outerWidth / window.innerWidth
|
||||
}
|
||||
|
||||
if (ratio) {
|
||||
ratio = Math.round(ratio * 100)
|
||||
}
|
||||
// ratio 就是获取到的百分比
|
||||
// console.log(ratio);
|
||||
|
||||
export default ratio
|
Loading…
Reference in new issue