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#1832 - Check if the Sentence Is Pangram
Problem Description
A pangram is a sentence where every letter of the English alphabet appears at least once.
Given a string sentence containing only lowercase English letters, return true if sentence is a pangram, or false otherwise.
Solution
/**
* @param {string} sentence
* @return {boolean}
*/
var checkIfPangram = function(sentence) {
return new Set([...sentence]).size === 26;
};