Javascript 从当前URL中获取参数

本范例演示了JS如何获取当前url和url参数的获取

function getUrlParm( name )
{
  var regexS = "[\\?&]"+name+"=([^&#]*)" ;
  var regex = new RegExp( regexS ) ;
  var tmpURL = window.location.href ;
  var results = regex.exec( tmpURL ) ;
  if( results == null )
  {
	return "" ;
  }
  else
  {
	return results[1] ;
  }
}