How do you round to 1 decimal place in Javascript?

Question

Can you round a number in javascript to 1 character after the decimal point (properly rounded)?

I tried the *10, round, /10 but it leaves two decimals at the end of

Answer 1

Why not just

let myNumber = 213.27321;
+myNumber.toFixed(1); // => 213.3

1. toFixed: returns a string representing the given number using fixed-point notation.
2. Unary plus (+): The unary plus operator precedes its operand and evaluates to its operand but attempts to convert it into a number, if it isn't already.