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Method of jumping to specific location

一:通过html锚点实现滚动定位到页面指定位置(DIV):
如果我们要点击实现跳转的地方是一个html锚点,也就是点击一个A标签超链接实现跳转,可以把A标签的href属性直接指向跳转指定位置的div,代码实现思路如下:

<a href="#abc">点击跳转</a>

<div id="abc">将要跳转到这里</div>

点击上面A链接将会滚动跳转到同一页面中id="abc"的那个div处,需要注意的是跳转指定位置div的id是唯一的,A标签直接指向此id,id前面别忘了加上#号。
二:通过点击button按钮使用js实现滚定跳转到页面指定位置(DIV):
如果我们要点击实现跳转的地方是一个button按钮的话,由于button不能添加href,所以我们只好使用js跳转代码来实现,具体代码示例如下:

<script>
function onTopClick() {
     window.location.hash = "#abc";
   }
</script>
<input  type="button" name="Submit" value="提交"  onclick="javascript:onTopClick();" />

<div id="abc">跳转到的位置</div>

上面这段代码,点击提交按钮,将会滚定跳转定位到同一页面id="abc"的div处。这段js点击跳转页面代码实现的原理是:页面各元素赋予唯一ID,点击提交按钮触发js点击事件,js通过ID滚动跳转定位到该元素,window.location.hash = "#abc"指的就是定位到当前页面id="abc"的div。

三:用animate属性,当点击锚点后,页面滚动到相应的DIV。接着上面的代码,具体添加如下代码:

html页面:

div1

div2

div3

div1
div2
div3

css样式:

div {
height: 800px;
width: 400px;
border: 2px solid black;
}
#container{
position: fixed;
margin:50px 500px;
}

js代码如下:

<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.0.min.js"></script>

$(document).ready(function() {
$("#p1").click(function() {
$("html, body").animate({
scrollTop: $("#div1").offset().top }, {duration: 500,easing: "swing"});
return false;
});
$("#p2").click(function() {
$("html, body").animate({
scrollTop: $("#div2").offset().top }, {duration: 500,easing: "swing"});
return false;
});
$("#p3").click(function() {
$("html, body").animate({
scrollTop: $("#div3").offset().top }, {duration: 500,easing: "swing"});
return false;
});
});

转载地址:http://www.haodoxi.com/wangyesheji/169.html

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