You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.1 KiB
43 lines
1.1 KiB
(function flexible(window, document) {
|
|
var docEl = document.documentElement || document.body;
|
|
var dpr = window.devicePixelRatio || 1
|
|
|
|
// adjust body font size
|
|
function setBodyFontSize() {
|
|
if (document.body) {
|
|
}
|
|
else {
|
|
document.addEventListener('DOMContentLoaded', setBodyFontSize)
|
|
}
|
|
}
|
|
setBodyFontSize();
|
|
|
|
// set 1rem = viewWidth / 10
|
|
function setRemUnit() {
|
|
var rem = docEl.clientWidth / 7.5
|
|
docEl.style.fontSize = rem + 'px'
|
|
}
|
|
|
|
setRemUnit()
|
|
|
|
// reset rem unit on page resize
|
|
window.addEventListener('resize', setRemUnit)
|
|
window.addEventListener('pageshow', function (e) {
|
|
if (e.persisted) {
|
|
setRemUnit()
|
|
}
|
|
})
|
|
|
|
// detect 0.5px supports
|
|
if (dpr >= 2) {
|
|
var fakeBody = document.createElement('body')
|
|
var testElement = document.createElement('div')
|
|
testElement.style.border = '.5px solid transparent'
|
|
fakeBody.appendChild(testElement)
|
|
docEl.appendChild(fakeBody)
|
|
if (testElement.offsetHeight === 1) {
|
|
docEl.classList.add('hairlines')
|
|
}
|
|
docEl.removeChild(fakeBody)
|
|
}
|
|
}(window, document)) |