如何在HTML文本输入字段中隐藏插入符号？
如果我有这样的HTML输入字段：
If I have an HTML input field like this one:
<input type="text" id="mytextfield"/>
所有浏览器似乎都会在该字段中显示插入符号（插入点）。是否有可能通过应用一些CSS或JavaScript来防止这种情况出现？
all browsers seem to show the caret (insertion point) in the field. Is is possible to prevent this from appearing by applying some CSS or javascript?
（我的理由是我的输入是GWT-Ext组合框的基础，就像那些在 http://www.gwt-ext.com/demo/#linkedComboBox - 你不能输入它，但你仍然可以看到插入符，这很烦人。）
(My reason for asking is that my input is the basis of a GWT-Ext combo box like the ones on http://www.gwt-ext.com/demo/#linkedComboBox - you can't type in it, but you can still see the caret, which is annoying).
可以尝试禁用input元素并明确地将其颜色设置为黑色：
What you could try is disable the input element and explicitly set its color to black:
<input type="text" disabled="disabled" style="color: black;" ... />
这应该适用于GWT-Ext组合框（至少在设置萤火虫属性时）。
This should work for the GWT-Ext combo box (at least it did when setting the attributes in firebug).