小编给大家分享一下JavaScript如何实现切换搜索引擎的导航网页搜索框,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
具体代码如下所述:
<!DOCTYPE html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <style> #search ul { list-style-type: none; display: block; width: 100px; height: 33px; margin: 0; padding: 0; border: 0px; float: left; } #search li { border: 0px; margin: 0px; padding: 0px; } #search .selected { display: block; } #search form { margin: 0px; padding: 0px; } #search input { height: 30px; width: 400px; margin: 0px; } #search .button { font-size: 17px; font-weight: 600; color: #002D96; height: 30px; width: 110px; margin-left: 50px; background: #e6efc2; opacity: 0.8; border: #7fb80e 1px solid; cursor: pointer; -webkit-border-radius: 2px; border-radius: 2px; } </style> </head> <body> <div id="search" align="center"> <table> <tr> <td> <ul> <li ><img width="80" src="https://cache.yisu.com/upload/information/20200622/114/73473.png"/></li> <li ><img width="80" src="https://cache.yisu.com/upload/information/20200622/114/73474.png"/></li> <li ><img width="80" src="https://cache.yisu.com/upload/information/20200622/114/73475.png"/></li> </ul> </td> <td id="from_box" > <form id="from_baidu" action="http://www.baidu.com/baidu" target="_blank" method="get"> <input name="" type="hidden" value="baidu"/> <input type="text" name="word"/> <input class="button" type="submit" value="百度一下" onMouseOver="this.style.opacity='1'" onMouseOut="this.style.opacity='0.7'"/> </form> <form id="from_google" action="http://www.google.com/search" target="_blank" method="get"> <input type="text" name="q"/> <input class="button" type="submit" value="google搜索" onMouseOver="this.style.opacity='1'" onMouseOut="this.style.opacity='0.7'"/> </form> <form id="from_sougou" action="http://www.sogou.com/web" target="_blank" name="sogou_queryform"> <input type="text" name="query"> <input class="button" type="submit" value="sougou搜索" onMouseOver="this.style.opacity='1'" onMouseOut="this.style.opacity='0.7'"/> </form> </td> </tr> </table> </div> <script> var search = document.getElementById("search"); var formbox = document.getElementById('from_box'); var forms = formbox.getElementsByTagName("form"); var ul = search.getElementsByTagName("ul")[0]; var li = ul.getElementsByTagName("li"); var length = li.length; li[0].onclick = function() { for(var i = 1; i < length; i++) { li[i].style.display = "block"; } } var n = 0; //第一个显示表单的位置 for(var i = 1; i < length; i++) { li[i].onclick = function(a) { return function() { //交换显示的html内容 var temp = li[0].innerHTML; li[0].innerHTML = this.innerHTML; this.innerHTML = temp; for(var j = 1; j < length; j++) { li[j].style.display ="none"; } //交换表单的显示 //alert(li[0].innerHTML.substring(37,7)); //alert(li[0].innerHTML.indexOf('baidu')); hidden_from(); //隐藏表单 if(li[0].innerHTML.indexOf('baidu') > 0) { document.getElementById('from_baidu').style.display = 'block'; } else if(li[0].innerHTML.indexOf('google') > 0) { document.getElementById('from_google').style.display = 'block'; } else if(li[0].innerHTML.indexOf('sougou') > 0) { document.getElementById('from_sougou').style.display = 'block'; } //alert(this.innerHTML); //forms[n].style.display = "none"; //forms[a].style.display = "block"; //n = a; } }(i); li[i].onmouseover = function() { this.style.border ="#7fb80e 1px solid"; this.style.background ="#f2eada"; } li[i].onmouseout = function() { this.style.border = "0px"; this.style.background = "inherit"; } } //隐藏搜索框表单的函数 function hidden_from() { for(var j = 0; j < forms.length; j++) { forms[j].style.display = "none"; } } </script> </body> </html>
以上是“JavaScript如何实现切换搜索引擎的导航网页搜索框”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注亿速云行业资讯频道!
免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:is@yisu.com进行举报,并提供相关证据,一经查实,将立刻删除涉嫌侵权内容。