Convert string to float in JavaScript
In this tutorial, you are given a string value. You should 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));