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42 lines
921 B
Plaintext
42 lines
921 B
Plaintext
---
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title: '1832. Check if the Sentence Is Pangram'
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description: A pangram is a sentence where every letter of the English alphabet appears at least once
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sidebar:
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label: 'Check if the Sentence Is Pangram'
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badge: 'Easy'
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---
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<Badge variant="accent">Hash Table</Badge>
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### Example 1:
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- Input: `sentence = "thequickbrownfoxjumpsoverthelazydog"`
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- Output: `true`
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- Explanation: `sentence` contains at least one of every letter of the English alphabet.
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### Example 2:
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- Input: `sentence = "leetcode"`
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- Output: `false`
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### Constraints:
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- `1 <= sentence.length <= 1000`
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- `sentence` consists of lowercase English letters.
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## Solution
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```js
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/**
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* @param {string} sentence
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* @return {boolean}
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*/
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var checkIfPangram = function(sentence) {
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const freq = {};
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for (let c of sentence) freq[c] = (freq[c] || 0) + 1;
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if (Object.keys(freq).length === 26){
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return true;
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}
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return false;
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};
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```
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