javascript split掉空格和逗号

// 空白（空格、换行、tab）和逗号分隔的字符串，变成用逗号分隔
function getSplitString(str){
     var arr = str.split(",");
	  
	 var resources = "";
     for (var i = 0; i < arr.length; i++) {
	     var arr1 = arr[i].split(/\s+/);
		
		 for (var j = 0; j < arr1.length; j++) {
		     if (jQuery.trim(arr1[j]) != "") {
			     resources += jQuery.trim(arr1[j]) + ",";
			 }
		 }
	 }
	 
	 return resources;
}