// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002125/string-javascriptstringencode

​

// @nuget: Z.ExtensionMethods

​

using System;

using System.IO;

​

public class Program

{   

    public static void Main()

    {   

        string input = "Hello World!'\"`><s>00\n\r";

        //C# Extension Method: String - JavaScriptStringEncode

        var output = input.JavaScriptStringEncode();

        Console.WriteLine("<script type=\"text/javascript\"> var msg = {0}; alert(msg); </script>", output);

        //C# Extension Method: String - HtmlDecode

        output = input.JavaScriptStringEncode(true);

        Console.WriteLine("<script type=\"text/javascript\"> var msg = {0}; alert(msg); </script>", output);

    }

}