12 lines
443 B
JavaScript
12 lines
443 B
JavaScript
function is_pangram(str) {
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var s = str.toLowerCase();
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// sorted by frequency ascending (http://en.wikipedia.org/wiki/Letter_frequency)
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var letters = "zqxjkvbpygfwmucldrhsnioate";
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for (var i = 0; i < 26; i++)
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if (s.indexOf(letters.charAt(i)) == -1)
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return false;
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return true;
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}
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print(is_pangram("is this a pangram")); // false
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print(is_pangram("The quick brown fox jumps over the lazy dog")); // true
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