Question

HTML JS点击下拉菜单收回 刷新网页是打开的, 点击之后收回 求代码大神帮助

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Answer 1

<div class="column" id="win">
<div class="sub-nav" id="sub-nav" style="display:block;">

</div>
</div>
<script type="text/javascript">
window.onload=function(){
document.getElementById("win").onmouseover=function(){
document.getElementById("sub-nav").style.display="block";
}
document.getElementById("win").onmouseout=function(){
document.getElementById("sub-nav").style.display="none";
}
}
</script>