本文實例講述了JavaScript實現點擊文字切換登錄窗口的方法。分享給大家供大家參考。具體分析如下：
這是一款動畫切換層窗口的特效，點擊不同的登錄用戶會切換到不同的登錄窗口，窗口內的內容可以是不一樣的，是比較實用的一款代碼。
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>JAVASCRIPT適時切換登錄窗口</title> <style> TD{ font-size: 9pt; color: #66DDDD} .out{ font-size: 9pt; color: #66DDDD;border-width:1px; border-style:solid;border-color:0090c0 0070b0 0070b0 0090c0; cursor:hand; background:0080c0; text-align: center } .out2 { text-align: center} .in,.out2{ font-size: 9pt; color: #66DDDD;border-width:1px; border-style:solid;border-color:0070b0 0090c0 0090c0 0070b0; background:0078b8;cursor:default } </style> </head> <body> <script> var temp_num = null; var now_num = null; var the_top = 130; var the_bottom = 150 var no_can_do = false; function Show_menu(u_num,d_num) { event.srcElement.className = "out2"; if(no_can_do) { return; } now_num = d_num; if(temp_num) { if(document.getElementById("menu_"+temp_num).doing) { clearInterval(document.getElementById("menu_"+temp_num).doing); } } else { temp_num = u_num; } document.getElementById("menu_"+temp_num).doing = setInterval("set_menu()",10); } function set_menu() { no_can_do = true; document.getElementById("form_"+temp_num).style.display = "none"; var if_move = document.getElementById("div_"+temp_num).style.pixelHeight - 6; if(if_move>1) { document.getElementById("div_"+temp_num).style.pixelHeight = if_move; } else { document.getElementById("div_"+temp_num).style.pixelHeight = 1; var if_stop = document.getElementById("menu_"+temp_num).style.pixelTop - 1; if(if_stop>the_top) { document.getElementById("menu_"+temp_num).style.pixelTop = if_stop; document.getElementById("menu_"+now_num).style.pixelTop += 1; } else { document.getElementById("menu_"+temp_num).style.pixelTop = the_top; document.getElementById("menu_"+now_num).style.pixelTop = the_bottom; var if_end = document.getElementById("div_"+now_num).style.pixelHeight + 6; if(if_end < 182) { document.getElementById("div_"+now_num).style.pixelHeight = if_end } else { document.getElementById("div_"+now_num).style.pixelHeight = 182; clearInterval(document.getElementById("menu_"+temp_num).doing); document.getElementById("menu_"+temp_num).doing = false; document.getElementById("form_"+now_num).style.display = "block"; temp_num = null; no_can_do = false; } } } } function returnIT() { event.srcElement.className = "out"; } </script> <div id="menu_0" style="position: absolute; top: 127; left: 176; width: 340; height: 201"> <table border="0" width="100%" style="background-color: #0080C0" cellspacing="0" cellpadding="0" height="19"> <tr> <td width="277" class="out" height="19" style="cursor: default"> </td> <td width="58" class="out" height="19" onmousedown="Show_menu(1,0)" onmouseup="returnIT()">管理員</td> </tr> </table> <div id="div_0" style="position: relative; width: 339; height: 1; overflow: hidden"> <table border="0" width="100%" style="background-color: #0080C0" cellspacing="0" cellpadding="0" height="182"> <tr> <td width="100%" height="182"> <form id="form_0" style="position: relative; left:70; top:10;font-family: Arial; display: none" action="javascript:;" method="post" align="center"> 超級管理員： <br> <br> 帳號: <input class="in" style="WIDTH: 100px" size="20"> mail.cn<br> 密碼: <input class="in" type="password" size="20"><br> <br> <input class="out" onfocus="this.blur()" type="button" value="登錄"> </form> </td> </tr> </table> </div> </div> <div id="menu_1" style="position: absolute; top: 146; left: 176; width: 339; height: 219"> <table border="0" width="100%" style="background-color: #0080C0" cellspacing="0" cellpadding="0" height="19"> <tr> <td width="277" class="out" height="19" style="cursor: default"> </td> <td width="58" class="out" height="19" onmousedown="Show_menu(0,1)" onmouseup="returnIT()">一般用戶</td> </tr> </table> <div id="div_1" style="position: relative; width: 339; height: 182; overflow: hidden"> <table border="0" width="100%" style="background-color: #0080C0" cellspacing="0" cellpadding="0" height="100%"> <tr> <td width="100%" height="182"> <form id="form_1" style="position: relative; left:70; top:10;font-family: Arial; display: block" action="javascript:;" method="post" align="center"> 一般用戶： <br> <br> 帳號: <input class="in" style="WIDTH: 100px" size="20"> mail.cn<br> 口令: <input class="in" type="password" size="20"><br> <br> <input class="out" onfocus="this.blur()" type="button" value="登錄"> </form> </td> </tr> </table> </div> </div> </body> </html>希望本文所述對大家的javascript程序設計有所幫助。