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<!DOCTYPE html> <html> <head> <!-- www.techstrikers.com --> <title>My first Javascript code</title> </head> <body bgcolor="#bnde45"> <fieldset> <legend>Javascript eval Function</legend> <script> var num = 2; document.write(eval("num + 200")); document.write(""); var code = '{ foo: 123 }'; document.write(eval(code)); document.write(""); eval("var foo = 1") document.write(foo); document.write(""); </script> </fieldset> </body> </html>