Function string_to_number 

pub fn string_to_number(s: &str) -> f64

Convert a JavaScript string to a number according to ECMAScript ToNumber.

The string is first trimmed of leading and trailing whitespace. Then it is parsed as a numeric literal:

• Empty string → 0
• “Infinity”, “+Infinity”, “-Infinity” → Infinity, +Infinity, -Infinity
• “0x” or “0X” prefix → hexadecimal
• “0o” or “0O” prefix → octal
• “0b” or “0B” prefix → binary
• Otherwise → decimal (with optional sign, exponent)
• Invalid → NaN