实用JavaScript函数合集-优快云博客

本文链接：https://blog.youkuaiyun.com/guo_rui22/article/details/2233470

/*随机数字(0～limit之间的随机数包含0和不包含limit)*/
function randomNumber(limit){
  return Math.floor(Math.random()*limit);
}
/*冒泡排序*/
function bubbleSort(theArray)
{
  var i, j;
  for (i = theArray.length - 1; i >= 0; i--)
  {
    for (j = 0; j <= i; j++)
    {
      if (theArray[j+1] < theArray[j])
      {
        var temp = theArray[j];
        theArray[j] = theArray[j+1];
        theArray[j+1] = temp;
      }
    }
  }
  return theArray;
}
/*字符替换*/
function replaceCharacters(conversionString,inChar,outChar)
{
  var convertedString = conversionString.split(inChar);
  convertedString = convertedString.join(outChar);
  return convertedString;
}
/*信息窗口*/
var msgWindow = null;
function messageWindow(title, msg)
{
  var width="300", height="125";
  var left = (screen.width/2) - width/2;
  var top = (screen.height/2) - height/2;
  var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
  if(msgWindow==null){
      msgWindow = window.open("","msgWindow", styleStr);
      var head = '<head><title>'+title+'</title></head>';
      var body = '<center>'+msg+'<br><p><form><input type="button" value="   Done   " onClick="self.close()"></form>';
      msgWindow.document.write(head + body);
  }
}
/*弹出窗口*/
var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}
/*确认*/
confirm(messageStr);

常用js脚本