HTML颜色选择器实现代码_javascript技巧

<p>HTML颜色选择器</p> <p>范围：#000 - #FFF</p> <style><!-- .divColor div { float:left; width:5px; height:5px; line-height:0px; font-size:0px; cursor:pointer; } .divColor span { display:block; float:left; width:40px; height:20px; cursor:pointer; } .divColor .clear { height:auto; width:auto; clear:both; font-size:0px; line-height:0px; } --></style> <p> <input id="txtColor" style="border: solid 10px black; padding: 2px;" onmouseover="selectColor(this);" type="text"></p> <div class="divColor"> <script type="text/javascript">// <![CDATA[ function selectColor(o) { o.style.backgroundColor = '#FFF'; o.style.border = 'solid 10px ' + (o.value == '' ? 'black' : o.value); } function showColor(color) { document.getElementById('txtColor').style.border = 'solid 10px ' + color; } function setColor(color) { var txtColor = document.getElementById('txtColor'); txtColor.value = color; txtColor.style.backgroundColor = color; txtColor.select(); txtColor.focus(); } var c = '0123456789ABCDEF'; for (var r = 0; r < c.length; r++) { var color = '#' + c.charAt(r) + c.charAt(r) + c.charAt(r); document.write('<span onclick="setColor(\'' + color + '\');" onmouseover="showColor(\'' + color + '\');" style="background-color:' + color + ';"> '); } document.writeln('<div style="clear:both; height:5px;"></script> </div>'); var begin = 0; for (var i = 0; i '); for (var g = begin; g

'); } } document.writeln(''); } } // ]]>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]