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JavaScript实现点击单选按钮改变输入框中文本域内容的方法

企鹅 人气:0

本文实例讲述了JavaScript实现点击单选按钮改变输入框中文本域内容的方法。分享给大家供大家参考。具体如下:

这里实现点击单选按钮改变输入框中文本域内容的方法,是一个JavaScript 的简单应用,可以减少用户的输入,提升用户操作易用性,它类似一个TAB选项卡一样的功能,并可以完成后提交表单,值得学习。

运行效果截图如下:

具体代码如下:

<html>
<head>
<title>JavaScript点击单选框改变输入框内容</title>
</head>
<body>
<script language=JavaScript>
var defaultValue = ""
function Changes() {
var defaultValue = "changed";
}
ie = document.all?1:0
ns4 = document.layers?1:0
var c = 1
function hideIt(id) {
if (ie) {
document.all[id].style.zIndex = c--; 
document.all[id].style.visibility = "hidden";
document.all['hider'].style.visibility = "visible";
} 
else if (ns4) {
document.layers[cat].layers[id].zIndex = c--;
document.layers[cat].layers[id].visibility = "hide";
document.layers[cat].layers['hider'].visibility = "show";
} 
}
function showIt(id) {
if (ie) {
document.all[id].style.zIndex = c++; 
document.all[id].style.visibility = "visible";
} 
else if (ns4) {
document.layers[cat].layers[id].zIndex = c++;
document.layers[cat].layers[id].visibility = "show";
}
else {
document.getElementById(id).style.zIndex = c++; 
document.getElementById(id).style.visibility = "visible"; 
} 
}
function imgLbl(tab) {
premier = frmWc.elements[tab - 1];
if (premier.checked == 1) {
premier.checked = 0;
} else {
premier.checked = 1;
}
}
</script>
<FORM name=protectForm action="" method=post >
  <TABLE width=560>
  <TR>
 <TD>
  <TABLE cellPadding=2>
  <TR align=left>
  <TD vAlign=top align=left>
  <INPUT 
  onclick="showIt( 'off');return true" type=radio value=0 
  name=Level checked>
  ASP</TD>
  <TD align=left width=20> </TD>
  <TD vAlign=top align=left><INPUT 
  onclick="showIt( 'low');return true" type=radio 
  value=25 name=Level>
  PHP</TD>
  <TD align=left width=20> </TD>
  <TD vAlign=top align=left>
  <INPUT 
  onclick="showIt( 'high');return true" type=radio value=75 name=Level>
  JSP</TD>
  <TD align=left width=20> </TD>
  <TD vAlign=top align=left><INPUT 
  onclick="showIt( 'excl');return true" type=radio 
  value=100 name=Level>
  AJAX</TD>
  </TR></TABLE></TD></TR></TABLE>
  <table cellspacing=1 cellpadding=0 width=562 border="0" bgcolor="7285CF" height="240">
  <tr> 
  <td colspan=3 height="145" valign="top" bgcolor="F2F2F2"> 
  <div id=off style="WIDTH: 560px;POSITION: absolute; HEIGHT: 230; z-index: 1; background-color: F2F2F2; layer-background-color: F2F2F2; border: 1px none #000000"> 
  <table cellspacing=5 cellpadding=2 width="560" border="0">
  <tr> 
  <td width="560">ASP是一种微软发明的WEB动态编程语言。</td>
  </tr>
 </table>
 </div>
  <div id=low 
  style="WIDTH: 560px;POSITION: absolute; HEIGHT: 230; z-index: 2; visibility: hidden; background-color: F2F2F2; layer-background-color: F2F2F2; border: 1px none #000000"> 
  <table cellspacing=5 cellpadding=2 width="560">
  <tr >
  <td width="1237">PHP是一种开源、免费平台通用型WEB编程语言。</td>
  </tr>
 </table>
 </div>
  <div id=high 
  style="WIDTH: 560px;POSITION: absolute; HEIGHT: 230; z-index: 1; visibility: hidden; background-color: F2F2F2; layer-background-color: F2F2F2; border: 1px none #000000"> 
  <table cellspacing=5 cellpadding=2 width="560">
  <tr>JSP是SUN公司制造的基于JAVA的WEB编程容器,也是一种WEB编程语言。</td>
  </tr>
 </table>
 </div>
  <div id=excl 
  style="WIDTH: 560px;POSITION: absolute; HEIGHT: 230; z-index: 1; visibility: hidden; background-color: F2F2F2; layer-background-color: F2F2F2; border: 1px none #000000"> 
  <table cellspacing=5 cellpadding=2 width="560">
  <tr> 
  <td width="953">AJAX是一种WEB交互型框架语言,可以很好的提升用户体验。</td>
  </tr>
 </table>
 </div> 
 </td>
 </tr>
 </table>
 <TABLE cellSpacing=0 cellPadding=0 width=560>
  <TR>
  <TD align=right height="30"> 
  <INPUT class=bottom type=submit value=" 确定 "> 
  <INPUT class=bottom type=button value=" 取消 " name="Button"> 
 </TD></TR></TABLE>
 </FORM>
</body>
</html>

希望本文所述对大家的javascript程序设计有所帮助。

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