Write the shortest possible code for displaying a tree without using graphics.
Unfortunately, symbol ►▼ and this one, too is not always correctly displayed in some fonts and browsers.
▼ Programs
► Adobe CS2
Photoshop
Illustrator
InDesign
► Microsoft Office
Word
Excel
Internet Explorer
Mozilla Firefox
Opera
01 02 03 04 05 06 07 08 09 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
<style type="text/css"> .treeview { padding: 0; clear: both; font-family: Arial, sans-serif; width: 100%; } .treeview * { font-size: 100.1%; } .treeview ul { overflow: hidden; width: 100%; margin: 0; padding: 0 0 1.5em 0; list-style-type: none; } .treeview ul ul { overflow: visible; width: auto; margin: 0 0 0 0; padding: 0 0 0 0.75em; } /* a class for ul that don't have li in the parent branches */ .treeview ul.l { border-left: 1px solid; margin-left: -1px; } .treeview li.cl ul { display: none; } .treeview li { margin: 0; padding: 0; } .treeview li li { margin: 0 0 0 0.5em; border-left: 1px dotted; padding: 0; } .treeview li div { position: relative; height: 1.5em; min-height: 16px; //height: 1.3em; } .treeview li li div { border-bottom: 1px dotted; } .treeview li p { position: absolute; z-index: 1; top: 0.8em; //top: 0.65em; left: 1.75em; width: 100%; margin: 0; border-bottom: 1px dashed; padding: 0; } .treeview a { padding: 0.1em 0.2em; white-space: nowrap; //height: 1px; } .treeview img.i { border-right: 2px solid; border-bottom: 0.5em solid; margin-bottom: -0.5em; vertical-align: middle; } .treeview a.sc { position: absolute; top: 0.06em; margin-left: -1em; padding: 0; text-decoration: none; } /* colors */ .treeview li p, .treeview img.i, .treeview .sc { background: #f5f5ea; } .treeview ul.l, .treeview li p, .treeview img.i { border-color: #f5f5ea; } .treeview ul li li, .treeview ul li li div { border-color: #999999; } .treeview a, .treeview a.sc, .treeview a.sc:hover { color: #000000; } .treeview a:hover { color: #cc0000; } </style> <script type="text/javascript"> function UnHide( eThis ){ if( eThis.innerHTML.charCodeAt(0) == 9658 ){ eThis.innerHTML = '▼' eThis.parentNode.parentNode.parentNode.className = ''; }else{ eThis.innerHTML = '►' eThis.parentNode.parentNode.parentNode.className = 'cl'; } return false; } </script> <div class="treeview"> <ul> <li> <div><p>#" class="sc" onclick="return UnHide(this)">▼</a> #">Programs</a></p></div> <ul> <li class="cl"> <div> <p> #" class="sc" onclick="return UnHide(this)">►</a> #">Adobe CS2</a> </p> </div> <ul> <li> <div> <p> #"><img src="i-photoshop.gif" class="i" />Photoshop</a> </p> </div> </li> <li> <div> <p> #"><img src="i-illustrator.gif" class="i" />Illustrator</a> </p> </div> </li> <li> <div> <p> #"><img src="i-indesign.gif" class="i" />InDesign</a> </p> </div> </li> </ul> </li> <li class="cl"> <div> <p> #" class="sc" onclick="return UnHide(this)">►</a> #">Microsoft Office</a> </p> </div> <ul> <li> <div> <p> #"><img src="i-word.gif" class="i" />Word</a> </p> </div> </li> <li> <div> <p> #"><img src="i-excel.gif" class="i" />Excel</a> </p> </div> </li> </ul> </li> <li> <div> <p> #"><img src="i-explorer.gif" class="i" />Internet Explorer</a> </p> </div> </li> <li> <div> <p> #"><img src="i-firefox.gif" class="i" />Mozilla Firefox</a> </p> </div> </li> <li> <div> <p> #"><img src="i-opera.gif" class="i" />Opera</a> </p> </div> </li> </ul> </li> </ul> </div>