JS判断是否手机或移动端访问

//判断是否移动端访问
function IsPC()  
{  
  var userAgentInfo = navigator.userAgent;  
  var Agents = new Array("Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod");  
  var flag = true;  
  for (var v = 0; v < Agents.length; v++) {  
  if (userAgentInfo.indexOf(Agents[v]) > 0) { flag = false; break; }  
  }  
  return flag;  
  //alert(flag);
  /*
  if(flag==false){
$(".slide-wp").attr("height","280px");
$(".slide-wp img").attr("height","280px");
//alert("移动端");
  }
  */
}