How To Use JavaScript To Get A Textbox Control's Value

Jan 20, 2010

Suppose I have an ASP.NET Text Box as Below :

<asp:TextBox ID="txtQuantity" runat="server" Text="0"></asp:TextBox>

I want to get this box's current value in javascript. How can I access this element? If it was a normal html text box, with id="txtQuantity", then I could access it using "document.getElementById("txtQuantity")". But how can I access ASP.NET text box in javascript?

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