you can calculate the value of a base expression taken to a specified power with the help of math.pow() function. you can use this method like as:
Math.pow(base, exponent)
where base is the base value and exponent is the exponent value of the expression.
Example:
<html> <body> <script language="JavaScript"> <!-- function CalculateResult(){ var Number1=document.form1.txtNumber1.value; var Number2=document.form1.txtNumber2.value; var result = Math.pow(txtNumber1, txtNumber2); document.form1.answer.value = result; } --> </script> <form name=form1> Enter Base number: <input type="text" name="txtNumber1"> <br> Enter exponent : <input type="text" name="txtNumber2"> <br> <input type="button" value="Calculate" onClick='CalculateResult()'> <br> result : <input type="text" name="answer" size=10> </form> </body> </html>