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flyapps/fir_client/src/utils/index.js

41 lines
1.2 KiB

//滚动条在Y轴上的滚动距离
export function getScrollTop(){
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let scrollTop = 0, bodyScrollTop = 0, documentScrollTop = 0;
if(document.body){
bodyScrollTop = document.body.scrollTop;
}
if(document.documentElement){
documentScrollTop = document.documentElement.scrollTop;
}
scrollTop = (bodyScrollTop - documentScrollTop > 0) ? bodyScrollTop : documentScrollTop;
5 years ago
// return Math.ceil(scrollTop);
return scrollTop;
}
//文档的总高度
export function getScrollHeight(){
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let scrollHeight = 0, bodyScrollHeight = 0, documentScrollHeight = 0;
if(document.body){
bodyScrollHeight = document.body.scrollHeight;
}
if(document.documentElement){
documentScrollHeight = document.documentElement.scrollHeight;
}
scrollHeight = (bodyScrollHeight - documentScrollHeight > 0) ? bodyScrollHeight : documentScrollHeight;
return scrollHeight;
}
//浏览器视口的高度
export function getWindowHeight(){
5 years ago
let windowHeight = 0;
if(document.compatMode === "CSS1Compat"){
windowHeight = document.documentElement.clientHeight;
}else{
windowHeight = document.body.clientHeight;
}
return windowHeight;
}