常用JS函数

来源：互联网发布：linux usleep range 编辑：程序博客网时间：2024/05/16 00:38

//去前后空格
   String.prototype.trim = function()
   {
     return this.replace(/(^/s+)|/s+$/g,"");
   }

//弹出对话框(自动关闭)
function autoCloseAlert(msg)
{
try
    {
    var tempFrm=document.getElementById("msgFrm");
    if(tempFrm==null||typeof(tempFrm)=="undefined")
    {
   tempFrm =document.createElement("iframe");
   document.body.appendChild(tempFrm);
   tempFrm.id = "msgFrm";
   tempFrm.name ="msgFrm";
   tempFrm.style.display="none";
    }
    msg=msg.replace(/"/g,"///"");
    msg=msg.replace(//n/g,"//n");
    var sfeature="status:no;resizable:no;help:no;dialogHeight:height:30px;dialogHeight:40px;";
    msgFrm.showModelessDialog("javascript:alert(/""+msg+"/");window.close();","",sfeature);
    setTimeout("msgFrm.location.reload();",1000);
    }catch(e)
    {
     alert(msg);
    }
}

//暂停函数
function pause(numberMillis)
{
var dialogScript = 'window.setTimeout(' +' function () { window.close(); }, ' + numberMillis + ');';
var result = window.showModalDialog('javascript:document.writeln(' + '"<script>' + dialogScript + '<' + '/script>")');
}

//使滚动条滚动到最底部(div)

var divContent=document.getElementById("contentTb");
divContent.scrollTop=divContent.scrollHeight;