Problem Statement
given a string value, convert the string to floating point number
Solution
to convert a given string into a floating point number, use JavaScript global function parseFloat(). pass the string as argument to parseFloat() function, and the function returns the floating point value
Program
str is the given string value. we use parseFloat() method to parse the string str into a float
let str = "3.14";
let num = parseFloat(str);
console.log(num);
console.log(typeof(num));