js j数字を三桁ずつコンマで区切る方法

	
	



	

		
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	var numbers = {
		one : function(){
			var oneval = $(".one_input").val();
			$(".one_text").html(parseFloat(oneval).toLocaleString());
		},
		two : function(){
			var twoval = $(".two_input").val();
			$(".two_text").html(fun.format_number1(twoval));
		},
		three : function(){
			var threeval = $(".three_input").val();
			$(".three_text").html(fun.format_number1(threeval));

		}
	}
	var fun = {
		format_number1 : function(n){
			var b=parseInt(n).toString();  
		   	var len=b.length;  
		   	if(len<=3){return b;}  
		   	var r=len%3;  
		   	return r>0?b.slice(0,r)+","+b.slice(r,len).match(/\d{3}/g).join(","):b.slice(r,len).match(/\d{3}/g).join(",");  
		},
		format_number2 : function(str){
			var newStr = "";
			var count = 0;
			if(str.indexOf(".") == -1){
   				for(var i=str.length-1;i>=0;i--){
		 			if(count % 3 == 0 && count != 0){
		   				newStr = str.charAt(i) + "," + newStr;
		 			}else{
		   				newStr = str.charAt(i) + newStr;
		 			}
		 			count++;
   				}
   				str = newStr + ".00"; //         
   				console.log(str)
			}else{
		   		for(var i = str.indexOf(".")-1; i>=0; i--){
		 			if(count % 3 == 0 && count != 0){
		   				newStr = str.charAt(i) + "," + newStr;
		 			}else{
		   				newStr = str.charAt(i) + newStr; //        
		 			}
		 			count++;
		   		}
		   		str = newStr + (str + "00").substr((str + "00").indexOf("."),3);
		   		console.log(str)
		 	}
		}	
	}