js 判断页面是否存在滚动条
hasScrollbar()返回true:存在滚动条 | false:不存在滚动条
hasScrollbar() {
return document.body.scrollHeight > (window.innerHeight || document.documentElement.clientHeight)
}
hasScrollbar()返回true:存在滚动条 | false:不存在滚动条
hasScrollbar() {
return document.body.scrollHeight > (window.innerHeight || document.documentElement.clientHeight)
}