HTML:
JS:
window.onload = function (){
var oDiv1 = document.getElementById('div1');
var oBtn = document.getElementById('btn');
var oDiv2 = document.getElementById('div2');
oBtn.onclick = function (){
oDiv2.innerHTML = oDiv1.value;
}
}
要是我的答案能对你有帮助，望采纳，谢谢
