JS: Number.parseFloat

Number.parseFloat(string)

Convert a string string (For example, "3.14") to a decimal number.

Number.parseFloat is the same function as the global function parseFloat.

[see JS: the Global Object]

console.log(
 Number.parseFloat === parseFloat
);
// true

// string to number
console.log(
 parseFloat("324") === 324
);
// true

Reference

ECMAScript® 2016 Language Specification#sec-number.parsefloat