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I'm using number_format function of PHP to format: 2100000 --> 2,100,000. Everything is OK But when I using 2,100,000 to calcutate with javascript then I got a message: NaN.

So how can I solve this problem?

Thank you very much.

I'm using number_format function of PHP to format: 2100000 --> 2,100,000. Everything is OK But when I using 2,100,000 to calcutate with javascript then I got a message: NaN.

So how can I solve this problem?

Thank you very much.

• javascript
• php

Share Improve this question Follow asked Mar 26, 2014 at 21:12 Joshua HansenJoshua Hansen 40511 gold badge88 silver badges2121 bronze badges 2

• Because "2,100,000" isn't a number.... 2100000 was a number, but your formatting of it with , has made it a formatted string.... pass the raw number back to js, do any calculations with it as a number, and only then format it purely for display using js – Mark Baker Commented Mar 26, 2014 at 21:13
• That is because "2,100,000" is not a number. Its a string. Take out the mas for Js usage. – Jake N Commented Mar 26, 2014 at 21:13

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5 Answers 5

Sorted by: Reset to default 3

You can remove the mas from the number using a Regex

var myNumber = "2,100,000"; 

myNumber = parseInt(myNumber.replace(/\,/g,''), 10);

console.log(myNumber);

Show the formatted number but echo the unformatted number elsewhere and use that in js. For example:

PHP

<div id="number" data-myvalue="<?=$number?>"><?=number_format($number)?></div>

JAVASCRIPT

var myvalue = $("#number").data("myvalue");

"2,100,000" is a string. You'll need to remove "," so that it can be parsed by JavaScript and used for calculations. It's better to pass numbers around without custom formatting. However, if you receive data in such format, you can deal with them like so:

var a = "2,100,000";
a = a.replace(/,/g, ""); //Replace all occurences of "," with ""
a = parseInt(a); //If you know it's an integer
a = parseFloat(a); //If it might be a float
a += 1;
alert(a); //Displays 2100001

number_format returns 2,100,000 which is a string. If you want to make other calculations with that in js, you will have to convert it to a integer( or float depending on what you need)

var number_string = '2,100,000';
number_string = string.replace(/[^0-9]/gi, ''); // remove non-numeric charachters
var number = parseInt(number_string);  // parse the string to integer

Hope this helps.

You can use a split.join bination like this:

var numStr = "2,100,000";
var num = numStr.split(',').join('');

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