js 置顶操作

//置顶 document.getElementById("pro-view-8").onclick = function(){document.body.scrollIntoView();} window.onscroll = function(){ if(document.body.scrollTop > 30){ if($("#pro-view-8")[0].style.display === "block") {return;} $("#pro-view-8").show(); }else{ if($("#pro-view-8")[0].style.display === "none") {return;} $("#pro-view-8").hide(); } }

方式2

function scrollToLocation(id){

document.body.scrollTop = $("#"+id).offset().top;

}

<div class="content" id="top"></div>

转载于:https://www.cnblogs.com/mengwei-ziyun/p/5371327.html

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