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Finding the 1-based index score of a lowercase alpha string in JavaScript
Problem
We are required to write a JavaScript function that takes in a lowercase alphabet string. The index of ‘a’ in alphabets is 1, of ‘b’ is 2 ‘c’ is 3 … of ‘z’ is 26.
Our function should sum all the index of the string characters and return the result.
Example
Following is the code −
const str = 'lowercasestring';
const findScore = (str = '') => {
const alpha = 'abcdefghijklmnopqrstuvwxyz';
let score = 0;
for(let i = 0; i < str.length; i++){
const el = str[i];
const index = alpha.indexOf(el);
score += (index + 1);
};
return score;
};
console.log(findScore(str));Output
Following is the console output −
188
Updated on: 20-Apr-2021
110 Views
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