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pangram.js
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pangram.js
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function isPangram(string) {
//...
var alphabets = [
'a',
'b',
'c',
'd',
'e',
'f',
'g',
'h',
'i',
'j',
'k',
'l',
'm',
'n',
'o',
'p',
'q',
'r',
's',
't',
'u',
'v',
'x',
'y',
'z'
]
string.split(' ').forEach((word) => {
if(/[a-zA-Z]/.test(word)){
word.split('').forEach((letter) => {
var index = alphabets.indexOf(letter.toLowerCase())
if(index > -1){
alphabets.splice(index,1)
}
})
}
})
return (alphabets.length == 0)
}
console.log(isPangram("The quick brown fox jumps over the lazy dog."), true)
console.log(isPangram("Is 'AbCdEfGhIjKlM zYxWvUtSrQpOn' a pangram ?"), true)