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http://jsfiddle.net/xNnQ5/(HTML)的JavaScript可摺疊菜單錯誤
我想使用JavaScript(和HTML)創建爲我的網站可摺疊菜單(c_menu
)。我希望在用戶點擊div menu_open
時打開它,並在用戶點擊menu_close
時關閉。但是,當我加載頁面時,所發生的只是菜單向上滾動,就好像我點擊了menu_close
,而我沒有。我該怎麼辦?
代碼:
的index.html(只有一個片段)
<style type = "text/css">
#c_menu {
position: absolute;
width: 435px;
height: 250px;
z-index: 2;
left: 6px;
top: 294px;
background-color: #0099CC;
margin: auto;
</style>
<div id="menu_open"><img src="images/open.jpg" width="200" height="88" /></div>
<input type="button" name="menu_close" id="menu_close" value="Close"/>
<div id="c_menu"></div>
<script type = "text/javascript" src = "menu.js"> </script>
menu.js(全碼)
document.getElementById("c_menu").style.height = "0px";
document.getElementById("menu_open").onclick = menu_view(true);
document.getElementById("menu_close").onclick = menu_view(false);
function menu_view(toggle)
{
if(toggle == true)
{
document.getElementById("c_menu").style.height = "0px";
changeheight(5, 250, 0);
}
if(toggle == false)
{
document.getElementById("c_menu").height = "250px";
changeheight(-5, 0, 250);
}
}
function changeheight(incr, maxheight, init)
{
setTimeout(function() {
var total = init;
total += incr;
var h = total + "px";
document.getElementById("c_menu").style.height = h;
if (total != maxheight) {
changeheight(incr, maxheight, total);
}
}, 5)
}
你可以提供一個小提琴? – Arjun
@Arjun - http://jsfiddle.net/xNnQ5/ – Joe
@ xtof的答案根據您的要求工作,我想! – Arjun