WEB前端:01_Tab选项卡
时间:2014-04-28 07:11:06
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Tab选项卡
采用两种方法实现选项卡切换功能,目前只提供了最基本的切换效果,后期增加jquery版和渐变切换效果。
效果图:
纯JS简化版:
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<html> <head> <title>Tab选项卡 - 纯JS简化版</title> <meta http-equiv= "Content-Type"
content= "text/html; charset=utf-8" > </head> <style type= "text/css" > #btn { width: 500px; height: 30px; margin:0;padding: 0; list-style: none;} #btn li { cursor: pointer; float: left; width: 100px; height: 30px; margin-right: 2px; background: #666; color:#fff; text-align: center; line-height: 30px;} #btn li.onbtn {background: #f00;} #tabs div {display: none; width: 500px; height: 100px; border: 1px solid #ccc;} </style> <script type= "text/javascript" > window.onload = function () { var
btn = document.getElementById( ‘btn‘ ); var
btnli = btn.getElementsByTagName( ‘li‘ ); var
tabs = document.getElementById( ‘tabs‘ ); var
tabsdiv = tabs.getElementsByTagName( ‘div‘ ); for
( var
a=0; a<btnli.length; a++) { btnli[a].index=a; btnli[a].onmouseover = function () { for
( var
b=0; b<tabsdiv.length; b++) { btnli[b].className = "" ; tabsdiv[b].style.display = "none" ; } this .className = "onbtn" ; tabsdiv[ this .index].style.display = "block" ; } } btnli[0].className = "onbtn" ; tabsdiv[0].style.display = "block" ; } </script> <body> <div> <ul id= "btn" > <li>选项一</li> <li>选项二</li> <li>选项三</li> </ul> <div id= "tabs" > <div>选项一内容</div> <div>选项二内容</div> <div>选项三内容</div> </div> </div> </body> </html> |
纯JS面向对象版:
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<html> <head> <title>纯JS - 面向对象版</title> <meta http-equiv= "Content-Type"
content= "text/html; charset=utf-8" ></head> <style type= "text/css" > #btn, #btn2 { width: 500px; height: 30px; margin:0;padding: 0; list-style: none;} #btn li, #btn2 li { cursor: pointer; float: left; width: 100px; height: 30px; margin-right: 2px; background: #666; color:#fff; text-align: center; line-height: 30px;} #btn li.onbtn, #btn2 li.onbtn {background: #f00;} #tabs div, #tabs2 div {display: none; width: 500px; height: 100px; border: 1px solid #ccc; margin-bottom:10px;} </style> <script type= "text/javascript" > function
tab(btn, tabs) { var
_this = this ; var
btn = document.getElementById(btn); var
tabs = document.getElementById(tabs); this .btnli = btn.getElementsByTagName( ‘li‘ ); this .tabsdiv = tabs.getElementsByTagName( ‘div‘ ); for
( var
a=0; a< this .btnli.length; a++) { this .btnli[a].index = a; this .btnli[a].onmouseover = function () { _this.onmouseoverfn( this ); } } this .tabsdiv[0].style.display = "block" ; this .btnli[0].className = "onbtn" ; } tab.prototype.onmouseoverfn = function (obj) { for
( var
b=0; b< this .btnli.length; b++) { this .tabsdiv[b].style.display = "none" ; this .btnli[b].className = "" ; } this .tabsdiv[obj.index].style.display = "block" ; this .btnli[obj.index].className = "onbtn" ; } window.onload = function () { new
tab( ‘btn‘ , ‘tabs‘ ); new
tab( ‘btn2‘ , ‘tabs2‘ ); } </script> <body> <div> <ul id= "btn" > <li>选项一</li> <li>选项二</li> <li>选项三</li> </ul> <div id= "tabs" > <div>选项一内容</div> <div>选项二内容</div> <div>选项三内容</div> </div> </div> <div> <ul id= "btn2" > <li>选项一</li> <li>选项二</li> <li>选项三</li> </ul> <div id= "tabs2" > <div>选项一内容</div> <div>选项二内容</div> <div>选项三内容</div> </div> </div> </body> </html> |
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