
用js获取scrollTop怎么总是0-CSDN论坛
2个回答
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var sTop = 0,
docE = document.documentElement,
docB = document.body;
if(docE && docE.scrollTop) {
sTop = docE.scrollTop;
}else if(docB && docB.scrollTop) {
sTop = docB.scrollTop;
}
console.log(sTop)
docE = document.documentElement,
docB = document.body;
if(docE && docE.scrollTop) {
sTop = docE.scrollTop;
}else if(docB && docB.scrollTop) {
sTop = docB.scrollTop;
}
console.log(sTop)
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