javascript - Convert a string to a number, an example is a="2,322.222", b='1,211.21', how to perform subtraction in angualr

Question

The example is a="2,322.222",b='1,211.21', how to perform subtraction in angualr

Answer 1

function(a, b) {
    a = a.replace(',', '');
    b = b.replace(',', '');
    return (+a - +b).toFixed(2);
}

Answer 2

Use split(',') and press ',' to divide it into multiple arrays and judge based on the length. For example, a is 21000 and b is 11000. If there are more commas, it is judged based on the length. If the length is 3, the subscript is When 0 is 10001000, consider the Math.pow(10,n * 3) method and convert it into numbers for subtraction. You can try it