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Math toSource()

The toSource() method creates a copy of the object. It returns a string representation of an object, which can be passed to the eval method to create a copy of the object. <html>     <body>     <script language="JavaScript">     <!--     function copy(){         var result = Math.toSource(Math.E);         document.form1.answer.value = result;     }     -->     </script>     <form name=form1>     Click on the button to create a copy of a Math object.     <br><br>     <input type="button" value="Copy" onClick='copy()'>     <br>     The result of toSource is:     <input type="text" name="answer" size=20>     </form>     </body>     </html>