WEB前端:04_slider幻灯片(焦点图轮换)
2020-11-24 10:53
阅读:548
YPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
标签:style blog class code java ext
slider幻灯片(焦点图轮换)
网站常用效果之一,以下为简化版,用于学习javascript基础知识。
效果图:
slider幻灯片(焦点图轮换) - 纯JS简化版
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>
*{margin: 0; padding: 0;} /* slider */ #sliderbox { width: 500; height:313px;position: relative; overflow: hidden;margin: 20px;} #slider {list-style: none; margin: 0; padding: 0;} #slider li {float:left; margin: 0; padding: 0;} #slidertab {position: absolute; right: 10px; bottom:10px; width: 80px; height: 20px; list-style: none;} #slidertab li {float: left; width: 20px; height: 20px; margin: 2px; background: #eee;text-align: center; line-height: 20px;font-size: 12px;} #slidertab li.sliderclass {background: #f00;}
>
window.onload = function () {
var
sliderbox = document.getElementById( ‘sliderbox‘ );
var
slider = document.getElementById( ‘slider‘ );
var
sliderli = slider.getElementsByTagName( ‘li‘ );
var
slidertab = document.getElementById( ‘slidertab‘ );
var
slidertabli = slidertab.getElementsByTagName( ‘li‘ );
var
inow = 0;
sliderbox.onmouseover = function () {
clearInterval(timer);
}
sliderbox.onmouseout = function () {
//clearInterval(timer);
timer = setInterval(autoplay, 1000);
}
for ( var
i=0; i
slidertabli[i].index = i;
slidertabli[i].onclick = function () {
clearInterval(timer);
for ( var
a=0; a
slidertabli[a].className = "" ;
sliderli[a].style.display = "none" ;
}
this .className = "sliderclass" ;
sliderli[ this .index].style.display = "block" ;
inow = this .index;
}
}
function
autoplay() {
for ( var
i=0; i
sliderli[i].style.display = ‘none‘ ;
slidertabli[i].className = "" ;
}
sliderli[inow].style.display = ‘block‘ ;
slidertabli[inow].className = "sliderclass" ;
inow = inow==sliderli.length-1 ? 0 : inow+1;
}
timer = setInterval(autoplay, 1000);
}
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WEB前端:04_slider幻灯片(焦点图轮换),搜素材,soscw.com
WEB前端:04_slider幻灯片(焦点图轮换)
标签:style blog class code java ext
原文地址:http://www.cnblogs.com/haicheng/p/3704251.html
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