发布于 2017-06-27 13:28:24 | 76 次阅读 | 评论: 0 | 来源: 网友投递

这里有新鲜出炉的Javascript教程,程序狗速度看过来!

JavaScript客户端脚本语言

Javascript 是一种由Netscape的LiveScript发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言,主要目的是为了解决服务器端语言,比如Perl,遗留的速度问题,为客户提供更流畅的浏览效果。


这篇文章主要介绍了JS实现字体选色板实例代码,有需要的朋友可以参考一下

哎,前段开发真心不容易。。。。弄了1个小时,找找了各种素材,终于,字体选色板基本功能弄好了,UI设计技能亟待提升。先看效果:

功能介绍:点击颜色按钮,弹出选色板,选中一个颜色,保存设置,隐藏选色板。。。实现源码如下:


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>color</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8">

<script language="javascript" src="chat.js" type="text/javascript"></script>


</head>
<body style="margin:8px;">
<SPAN style="WHITE-SPACE: pre"> </SPAN><!--此处省略无关代码-->

    <td colspan=12 align=left style="word-break:break-all"><input
     name="fontColor" type="button" value="颜色"
     onclick="coloropen(event)" id="fontColor" />
 <!--此处省略无关代码-->    

 <script type="text/javascript" language="javascript">
 <!--
  var ColorHex = new Array('00', '33', '66', '99', 'CC', 'FF')
  var SpColorHex = new Array('FF0000', '00FF00', '0000FF', 'FFFF00',
    '00FFFF', 'FF00FF')
  var current = null
  function initcolor() {
   getArgs();

   //chat.js init();
   init();

   var colorTable = ''
   for (i = 0; i < 2; i++) {
    for (j = 0; j < 6; j++) {
     colorTable = colorTable + '<tr height=15>'
     colorTable = colorTable
       + '<td width=15 style="background-color:#000000">'
     if (i == 0) {
      colorTable = colorTable
        + '<td width=15 style="cursor:pointer;background-color:#'
        + ColorHex[j]
        + ColorHex[j]
        + ColorHex[j]
        + '" onclick="doclick(this.style.backgroundColor)">'
     } else {
      colorTable = colorTable
        + '<td width=15 style="cursor:pointer;background-color:#'
        + SpColorHex[j]
        + '" onclick="doclick(this.style.backgroundColor)">'
     }
     colorTable = colorTable
       + '<td width=15 style="background-color:#000000">'
     for (k = 0; k < 3; k++) {
      for (l = 0; l < 6; l++) {
       colorTable = colorTable
         + '<td width=15 style="cursor:pointer;background-color:#'
         + ColorHex[k + i * 3]
         + ColorHex[l]
         + ColorHex[j]
         + '" onclick="doclick(this.style.backgroundColor)">'
      }
     }
    }
   }
   colorTable = '<table border="0" cellspacing="0" cellpadding="0" style="border:1px #000000 solid;border-bottom:none;border-collapse: collapse;width:337px;" bordercolor="000000">'
     + '<tr height=20><td colspan=21 bgcolor=#ffffff style="font:12px tahoma;padding-left:2px;">'
     + '<span style="float:left;color:#999999;">12</span>'
     + '<span style="float:right;padding-right:3px;cursor:pointer;" onclick="colorclose()">×关闭</span>'
     + '</td></table>'
     + '<table border="1" cellspacing="0" cellpadding="0" style="border-collapse: collapse" bordercolor="000000" style="cursor:pointer;">'
     + colorTable + '</table>';
   document.getElementById("colorpane").innerHTML = colorTable;
   var current_x = document.getElementById("fontColor").offsetLeft;
   var current_y = document.getElementById("fontColor").offsetTop;
   //alert(current_x + "-" + current_y)
   document.getElementById("colorpane").style.left = current_x + "px";
   document.getElementById("colorpane").style.top = current_y + "px";
  }
  function doclick(obj) {
   //document.getElementById("fontColor").value = obj;
   document.getElementById("colorpane").style.display = "none";
   document.getElementById('msgbox').style.color = obj;
   //alert(obj);
   //var chatArea = frames["chat"].document
    // .getElementsByName('chatArea');
   //for ( var i = 0; i < chatArea.length; i++) {
   // chatArea[i].style.color = obj;
   //}
  }
  function colorclose() {
   document.getElementById("colorpane").style.display = "none";
   //alert("ok");
  }
  function coloropen() {
   document.getElementById("colorpane").style.display = "";
  }
  window.onload = initcolor;
 </script>
</body>
</html>


调试的时候,自行修改doclick方法即可。



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