javascript - Count length of each string in an array

Question

This is my JS code:

var arr = ["the", "quick", "brown", "fox"];
    
console.log(arr.length);

I want an output like this:

[3, 5, 5, 3]

question from:https://stackoverflow.com/questions/65863201/count-length-of-each-string-in-an-array

Answer 1

You can use map function of array to get the new resultant array according to the operation performed for each element in the array

var arr = ["the", "quick", "brown", "fox"];

console.log(arr);

const resultArray = arr.map((element) => {
   return element.length;
});

console.log(resultArray);