How to create Calculator in JavaScrip t ?

How to create Calculator in JavaScrip t?

Example:

كود HTML:

<html> <head><title>Calculator</title> <scrip t l anguage="javascrip t"> var inputstring=" " function updatestring(value) { inputstring += value; document.calculator.input.value=inputstring; } </scrip t> </head> <body background=flow-yellow.jpg> <form name="calculator"> <table border=5 bordercolor=pink bgcolor="#ffffcc"><tr ><td> <input type="text" name="input" maxlength=15 size=27><br /> <input type="button" value=" clear " onclick="input.value=' ';inputstring=' ' "> <input type="button" value=" mod " onclick="updatestring('%')"> <input type="button" value=" * " onclick="updatestring('*')"><br /> <input type="button" value=" 7 " onclick="updatestring('7')"> <input type="button" value=" 8 " onclick="updatestring('8')"> <input type="button" value=" 9 " onclick="updatestring('9')"> <input type="button" value=" / " onclick="updatestring('/')"><br /> <input type="button" value=" 4 " onclick="updatestring('4')"> <input type="button" value=" 5 " onclick="updatestring('5')"> <input type="button" value=" 6 " onclick="updatestring('6')"> <input type="button" value=" - " onclick="updatestring('-')"><br /> <input type="button" value=" 1 " onclick="updatestring('1')"> <input type="button" value=" 2 " onclick="updatestring('2')"> <input type="button" value=" 3 " onclick="updatestring('3')"> <input type="button" value=" + " onclick="updatestring('+')"><br /> <input type="button" value=" 0 " onclick="updatestring('0')"> <input type="button" value=" 00 " onclick="updatestring('00')"> <input type="button" value=" . " onclick="updatestring('.')"> <input type="button" value=" = " onclick="input.value=eval(inputstring);"> </td></tr> </table> </form> </body> </html>

Output: Output of the above script is as follows:

http://www.dotnetheaven.com/UploadFi...Images/cal.jpg

may be u will find more spaces remove it

try and tell me what happen with you ;)

Salam