用js格式化数字价格样式

const price = 1234.56;
const formattedPrice = price.toLocaleString('en-US', {style: 'currency', currency: 'USD'});
console.log(formattedPrice); // $1,234.56

const price = 1234.56;
const formatter = new Intl.NumberFormat('en-US', {style: 'currency', currency: 'USD'});
const formattedPrice = formatter.format(price);
console.log(formattedPrice); // $1,234.56

const price = 1234.56;
const formattedPrice = `$${price.toFixed(2)}`;
console.log(formattedPrice); // $1234.56