[英]creating input field for html form… but adding a 'label' for it as well?
I have an html form. 我有一个HTML表单。 When you click the button, a javascript function adds a new field.
单击该按钮时,javascript函数会添加一个新字段。 I'm trying to have the function also add a 'label' for the field as well.
我正在尝试让该功能也为该字段添加“标签”。
I've tried using document.createElement("LABEL"), but that doesn't let me change the innerHtml (or maybe I'm doing it wrong..), nor add a closing 我已经尝试过使用document.createElement(“LABEL”),但这不允许我更改innerHtml(或者我可能做错了..),也没有添加结束
Here is my code. 这是我的代码。 Thanks!
谢谢! var instance = 2;
var instance = 2;
function newTextBox(element)
{
instance++;
// Create new input field
var newInput = document.createElement("INPUT");
newInput.id = "text" + instance;
newInput.name = "text" + instance;
newInput.type = "text";
instance++;
document.body.insertBefore(document.createElement("BR"), element);
document.body.insertBefore(newInput, element);
}
</script>
</head>
<body>
<LABEL for="text1">First name: </LABEL>
<input id="text1" type="text" name="text1">
<LABEL for="text2">Last name: </LABEL>
<input id="text2" type="text" name="text2">
<input type="button" id="btnAdd" value="New text box" onclick="newTextBox(this);" />
</body>
The example from Vincent does not work. 文森特的例子不起作用。
Try this: 试试这个:
var newlabel = document.createElement("Label");
newlabel.setAttribute("for",id_from_input);
newlabel.innerHTML = "Here goes the text";
parentDiv.appendChild(newlabel);
function newTextBox(element)
{
instance++;
// Create new input field
var newInput = document.createElement("INPUT");
newInput.id = "text" + instance;
newInput.name = "text" + instance;
newInput.type = "text";
var label = document.createElement("Label");
label.htmlFor = "text" + instance;
label.innerHTML="Hello";
instance++;
document.body.insertBefore(document.createElement("BR"), element);
document.body.insertBefore(newInput,element);
document.body.insertBefore(label, newInput);
Note that for attribute of the label tag, corresponds to the property htmlFor fo the label object in javascript 请注意, 对于 label标签的属性,对应于javascript中标签对象的属性htmlFor
<div id="somediv">
some div
</div>
<script>
var instance = 0;
function newTextBox(element){
instance++;
// Create new input field
var newInput = document.createElement("INPUT");
newInput.id = "text" + instance;
newInput.name = "text" + instance;
newInput.type = "text";
var newlabel = document.createElement("Label");
newlabel.setAttribute("for","text" + instance);
newlabel.innerHTML = "Here goes the text";
document.getElementById("somediv").appendChild(newlabel);
document.getElementById("somediv").appendChild(newInput);
}
</script>
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