如何实现这个表单特效

yuren5340468 2003-12-04 09:25:41

鼠标移到一个input是出现提示，像CSDN里管理帖子的打分得那个input

...全文

45 4 打赏收藏转发到动态举报

写回复

用AI写文章

4 条回复

切换为时间正序

请发表友善的回复…

发表回复

bzscs 2003-12-04

打赏
举报

<div id="pop" style="position:absolute;width:120; display: none; z-index:99; font-size: 13px; background: #ffff00"></div>
<script language="javascript">
var cen = document.all.pop;
function fen()
{
var zhong = parseInt(document.all.zhongFen.value,10); //得到总分值
var a = document.getElementsByName("T");
var gei = 0;
for (var i=0; i<a.length; i++)
{ gei = (a[i].value=="") ? gei : (gei + parseInt(a[i].value,10));}
var n = zhong-gei;
cen.style.background = (n < 0) ? "#FF0000" : "#FFFF00";
cen.innerText = "该问题总分值："+ zhong +"\r\n现可给的分值："+ n;
return n;
}
function cc(e)
{
if (e.name != "T") return;
e.select();
fen();
var ttop = e.offsetTop;
var tleft= e.offsetLeft;
var h = e.clientHeight; //在下面这个 while 循环里的e已经不是那个形参了
var w = e.clientWidth;

while (e = e.offsetParent){ttop += e.offsetTop; tleft += e.offsetLeft;}
cen.style.display = ""; //层显示
cen.style.top = ttop + h;
cen.style.left= tleft + w - cen.clientWidth;

}
function out(){cen.style.display = "none";}
function check(e)
{
var k = window.event.keyCode;
if (k < 48 || k > 57){
alert("你输入的不是数字！")
window.event.keyCode = 0 ;}
}
</script>

yuren5340468 2003-12-04