javascript for loop在html div中打印多行
我已经看到了一堆非常接近的例子,但是没有一个是正确的 我正在构建一个HTA表单程序,人们可以在其中输入多行类似数据(例如邮件地址)。用户将输入的行数由接收数字的javascript for loop在html div中打印多行,javascript,html,Javascript,Html,我已经看到了一堆非常接近的例子,但是没有一个是正确的 我正在构建一个HTA表单程序,人们可以在其中输入多行类似数据(例如邮件地址)。用户将输入的行数由接收数字的输入框决定: <html> <head> <title>Data Entry Application</title> <hta:application id = "ExampleHTA" singleInstance = "yes" icon = "macexp.i
输入框决定:
<html>
<head>
<title>Data Entry Application</title>
<hta:application id = "ExampleHTA" singleInstance = "yes" icon = "macexp.ico" border = "thin" minimizeButton = "no" maximizeButton = "no" scroll = "yes" />
<script language="javascript" type="text/javascript">
function numOfLines(choice)
{
for(var i = 0; i < choice; ++i)
{
document.getElementById("addy_lines").innerHTML = "<br />Name: <input type='text' id='Name' size=50 maxlength=50 /> Address: <input type='text' id='Address' size=50 maxlength=50 /> City: <input type='text' id='City' size=15 maxlength=15 /> State: <input type='text id='State' size=2 maxlength=2 /> Zip Code: <input type='text' id='Zip' size=5 maxlength=5 />";
}
}
</script>
</head>
<body>
<form>
Number of Address Lines: <input type="text" id="AddyLines" size=2 maxlength=2 onChange="numOfLines(this.value);">
<div id="addy_lines"></div>
</form>
</body>
</html>
数据输入应用程序
函数numOfLines(选项)
{
对于(变量i=0;i 名称:地址:城市:州:如何更改
document.getElementById("addy_lines").innerHTML = "<br />Name: <input type='text' id='Name' size=50 maxlength=50 /> Address: <input type='text' id='Address' size=50 maxlength=50 /> City: <input type='text' id='City' size=15 maxlength=15 /> State: <input type='text id='State' size=2 maxlength=2 /> Zip Code: <input type='text' id='Zip' size=5 maxlength=5 />";
document.getElementById(“addy_行”).innerHTML=“
名称:地址:城市:州:邮政编码:”;
您应该附加更改,而不是替换它们。您写道:
document.getElementById("addy_lines").innerHTML = "<br />Name: <input type='text' id='Name' size=50 maxlength=50 /> Address: <input type='text' id='Address' size=50 maxlength=50 /> City: <input type='text' id='City' size=15 maxlength=15 /> State: <input type='text id='State' size=2 maxlength=2 /> Zip Code: <input type='text' id='Zip' size=5 maxlength=5 />";
此外,我会给所有元素一个名称,并使用类而不是id来更好地使用jQuery来定位它们。但这取决于您。就像Jurik提到的,您正在创建重复的id。使用类或增量。不太好,因为现在他有相同的id
s,并且它们应该是唯一的。此解决方案有效:document.getElementById(“addy_line”).innerHTML+=…
。我将研究如何为元素指定自己的名称。谢谢。)
document.getElementById("addy_lines").innerHTML = "<br />Name: <input type='text' id='Name' size=50 maxlength=50 /> Address: <input type='text' id='Address' size=50 maxlength=50 /> City: <input type='text' id='City' size=15 maxlength=15 /> State: <input type='text id='State' size=2 maxlength=2 /> Zip Code: <input type='text' id='Zip' size=5 maxlength=5 />";
document.getElementById("addy_lines").innerHTML+= '<br/>' +
'Name: <input type="text" id="Name" size="50" maxlength="50" /> ' +
'Address: <input type="text" id="Address" size="50" maxlength="50" /> ' +
'City: <input type="text" id="City" size="15" maxlength="15" /> ' +
'State: <input type="text" id="State" size="2" maxlength="2" /> ' +
'Zip Code: <input type="text" id="Zip" size="5" maxlength="5" />';
document.getElementById("addy_lines").innerHTML+= '<br />' +
'Name: <input type="text" id="Name-' + i + '" size="50" maxlength="50" /> ' +
'Address: <input type="text" id="Address-' + i + '" size="50" maxlength="50" /> ' +
'City: <input type="text" id="City-' + i + '" size="15" maxlength="15" /> ' +
'State: <input type="text" id="State-' + i + '" size="2" maxlength="2" /> ' +
'Zip Code: <input type="text" id="Zip-' + i + '" size="5" maxlength="5" />';