如何添加getElementById(id)? [英] How to add getElementById(id)?
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问题描述
你好,
我有一个html按钮和文本框.至于文本框的内容,我想继续使用鼠标按钮.我想我想知道他们错在哪里了吗?
<%@ 页面 语言 =" VB" AutoEventWireup false" CodeFile =" 继承 _ Default" %>
< !DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 过渡//EN" " http://www.w3. org/TR/xhtml1/DTD/xhtml1-transitional.dtd" < html =" http://www.w3.org/1999/xhtml" >
< 头 =" 服务器" < 标题 > < /title >
< 脚本 =" 文本/javascript" 函数 getir(id){
alert(文档 .getElementById(id).Value);
}
< / 脚本 >
< /head >
< 正文 >
< 表单 =" form1" runat >服务器" >
< div >
< asp:TextBox ID =" runat 服务器" < >
< /div >
< /form >
< p >
< 输入 =" Button1" 类型 按钮" 值 =" 按钮" 鼠标悬停 getir('<% = txt.ClientID / > < /p >
< /body >
< /html >
解决方案
您尚未告知错误,但请尝试:
alert(document.getElementById(id).value);
JavaScript是区分大小写的语言..
alert(document.getElementById(id).value);
试试这个.
Hello,
I have got a html button and textbox. As for the contents of the textbox I want to get on with the mouse button. I guess I wonder where they got it wrong?
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <script type="text/javascript"> function getir(id) { alert(document.getElementById(id).Value); } </script> </head> <body> <form id="form1" runat="server"> <div> <asp:TextBox ID="txt" runat="server"></asp:TextBox> </div> </form> <p> <input id="Button1" type="button" value="button" onmouseover="getir('<%= txt.ClientID %>')" /></p> </body> </html>解决方案You have not told about the error, but try:
alert(document.getElementById(id).value);
Value with small ''V'' in it.
Javascript is case sensitive languge..
alert(document.getElementById(id).value);
Try This one.
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