純javascript

function aa(){
document.getElementById("ff12").innerHTML = document.getElementById("aa1").value;
document.getElementById("ff9").innerHTML = document.getElementById("aa4").value;
document.getElementById("ff4").innerHTML = document.getElementById("aa9").value;
document.getElementById("ff1").innerHTML = document.getElementById("aa12").value;
document.getElementById("ff11").innerHTML = document.getElementById("aa2").value;
document.getElementById("ff10").innerHTML = document.getElementById("aa3").value;
document.getElementById("ff2").innerHTML = document.getElementById("aa11").value;
document.getElementById("ff3").innerHTML = document.getElementById("aa10").value;
document.getElementById("ff5").innerHTML = document.getElementById("aa8").value;
document.getElementById("ff6").innerHTML = document.getElementById("aa7").value;
document.getElementById("ff7").innerHTML = document.getElementById("aa6").value;
document.getElementById("ff8").innerHTML = document.getElementById("aa5").value;
}