let bodyEl = document.body
let top = 0
function stopBodyScroll (isFixed) {
if (isFixed) {
top = window.scrollY
bodyEl.style.position = 'fixed'
bodyEl.style.top = -top + 'px'
} else {
bodyEl.style.position = ''
bodyEl.style.top = ''
window.scrollTo(0, top) // 回到原先的top
}
}
禁止用戶雙擊放大
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
取消input 按鈕的初始樣式
input[type=button],input[type=submit],input{
-webkit-appearance:none;
outline:none;
border-radius:0;
}
點(diǎn)擊取消背景色
*{
-webkit-tap-highlight-color:rgba(0,0,0,0);
}
輸入框只允許輸入數(shù)字
盡量少輸入數(shù)字祷嘶，最好不要使用Input,鼠標(biāo)移開時修改內(nèi)容到正確數(shù)字
返回上一頁
var index = 'http://www.shop2.com/'
jQuery('i.icon-xiangxia').on('click',function(){
if (typeof document.referrer === '') {
//返回首頁
window.location.href = index
}else{
//返回上一頁
window.location.href = document.referrer
}
})
