Problem Statement
given a string value, convert the string to integer
Solution
to convert a given string into integer, use JavaScript global function parseInt(). pass the string as argument to parseInt() function, and the function returns the integer value
Program
str is the given string value. we use parseInt() method to parse the string str into an integer
let str = "45";
let num = parseInt(str);
console.log(num);
console.log(typeof(num));