Utilize the toLocaleString method to format a decimal number with two decimal places and a comma

I am attempting to convert a price from the database into a specific format, such as x,xxx.xx. For example, I want to display 1,000.55 instead of 1000.55. However, when I try to use the toLocaleString method in JavaScript, it does not produce the desired result.

Below is the function I have implemented in Vue.js:

formatProdPrice(value) {
    return value.toLocaleString(['en-US', [{minimumFractionDigits: 2, maximumFractionDigits: 2}]]);
}

Here is how I am using this function:

formatProdPrice($page.price.price)

Even though I expect the output to be 1,000.55, the current output is 1000.55. Can anyone assist me in identifying what I may be doing incorrectly?

javascriptvue.js

Answer №1

To display currency values in a formatted way, you can utilize Intl.NumberFormat.

function displayFormattedCurrency(value) {
    return new Intl.NumberFormat("en-US", { style: "currency", currency: "USD" }).format(value);
}

displayFormattedCurrency(1000.55); // Output: "$1,000.55"

Answer №2

For details on the function signature, please refer to the "Syntax" section here.

It's important to note that the square brackets around arguments indicate that they are optional, not an array literal. Therefore, you should exclude them in your code.

I also suggest verifying whether the "value" is a number before proceeding.

function formatProdPrice(value) {
    return Number(value).toLocaleString('en-US', {
        minimumFractionDigits: 2,
        maximumFractionDigits: 2
    });
}

Answer №3

Implement the requested modification :

updateProductPrice(value) {
    return value.toLocaleString();
}

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