passing print function name to a function but not displaying contents

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Javascript

function ForEach(array, action)
    {
       for (var i=0; i< array.length;i++)
       {
           action(array[i]);
       }

    }
    ForEach(["Ahmed","Aqib","Hashir","Mahi"],print);

here print screen appearing in browser but the array content is not showing on browser but print screen appearing? why
and m also try below code and it shows me the error illegal invocation

function ForEach(array, action)
    {
       for (var i=0; i< array.length;i++)
       {
           action(array[i]);
       }

    }
    var pp=document.write;
    ForEach(["Ahmed","Aqib","Hashir","Mahi"],pp);