javascript - Math.pow calculations ground and power -

i want create piece of code math.pow

for instance, if put ground number 2 , power level 6
want result count 0 6.

2^0 = 1
2^1 = 2
2^2 = 4
2^3 = 8
2^4 = 16
2^5 = 32
2^6 = 64

this have: (on jsfiddle)

function callpow(){     var val= document.getelementbyid("txt").value;     var power= document.getelementbyid("txt2").value;     alert(math.pow(val,power)); } 

all need loop count specified power , alert each time:

function callpow(){     var val= document.getelementbyid("txt").value;     var power= document.getelementbyid("txt2").value;     for(i=0; i<= power; i++){         alert(val+' ^ '+i+' = '+math.pow(val,i));     } } 

jsfiddle