我的程序是日历表, 1-31号我是动态生的小div,我这是这么写的,假如外面大div的拿到了,肯给他赋给obj,我往它里添加小div, obj.innerHTML = innerHTML + "<div></div>".我写了个for,可是无法给每个id赋上不同的值,因为id只能是唯一的,不能重复,我给它们id是为了改变他的样式。请问如何做呢? for (var i = 1; i <= 42; i++) {
if (i <= 31) {
cWin.innerHTML = cWin.innerHTML + "<div>" + i + "</div>";
} else {
cWin.innerHTML = cWin.innerHTML + "<div>" + temp + "</div>";
temp++;
}
}
if (i <= 31) {
cWin.innerHTML = cWin.innerHTML + "<div>" + i + "</div>";
} else {
cWin.innerHTML = cWin.innerHTML + "<div>" + temp + "</div>";
temp++;
}
}
if (i <= 31) {
cWin.innerHTML = cWin.innerHTML + "<div id='inner" + i + "'>"+i+"</div>";
} else {
cWin.innerHTML = cWin.innerHTML + "<div id='inner" + i + "'>"+ temp + "</div>";
temp++;
}
var cc = document.getElementById("这里写啥");
n为数字,比如1,2,3....
("innern")你这么写不是写死了吗, n改变不了了,他当成字符串常量了
document.getElementById("inner2")
...
你这几句话我是写在for里的,我这样写的document.getElementById("inner"+i);
可是得不到对象,返回给我的是null
<div id="test" ></div>
<script language="javascript">
var cWin=document.getElementById("test");
var temp=0;
for (var i = 1; i <= 42; i++) {
if (i <= 31) {
cWin.innerHTML = cWin.innerHTML + "<div id='inner"+i+"'>" + i + "</div>";
} else {
cWin.innerHTML = cWin.innerHTML + "<div>" + temp + "</div>";
temp++;
}
}
for(var j=1;j<4;j++){
var inner=document.getElementById("inner"+j);
alert(inner.innerHTML);
}
</script>
var node=document.creatElement("div");
node.id=(i<32)?('inner'+i):"";
cWin.appendChild(node);
}