Appplying font properties on the java script array

}
function reo(){
letters=new Array(10);
for(k=0;k<=9;k=k+1)
letters[k]=window.prompt("enter the first letter"+k+" ");
line1=new Array(10);
line1[0]=letters[0];
line1[1]=letters[1];
line1[2]=letters[2];
line1[3]=letters[3];
line1[4]=letters[4];
line1[5]=letters[5];
line1[6]=letters[6];
line1[7]=letters[7];
line1[8]=letters[8];
line1[9]=letters[9];
for(k=0;k<=9;k=k+1){
document.write(line1[k]);}