wsdl /l:js /namespace:calcService /out:calcProxy.js 
  http://localhost/Column113/simpleCalc.asmx

http://localhost/Column113/simpleCalc.asmx

• /l: specified the language of the input file. Put js for JScript.
• /namespace: specifies to which namespace you want to add your new simpleCalc class. The .NET framework will create a new namespace if it does not find one in its archive. The .NET framework stores the class definition somewhere on a system directory and you don't have to worry about it ever.
• /out: specifies the name of the JScript file that will be created. This file is the proxy for the Web service. Put calcProxy.js, for example. This switch specifies where the proxy will be saved. If you don't specify a directory before the file name, the proxy will be saved in your current directory (d:\aspDemo in our case).

The following Command Prompt window shows the content of simpleCalc.asmx and the echo of the wsdl command:

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