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/*

Create a function that, given a string of words (with spaces, tabes, and linefeeds), returns an array of words.

Example: given "Life is not a drill!" return ["Life", "is", "not", "a", "drill!"]

*/

function stringToWordArray(str){

if(typeof str !== "string"){

return [];

}

var wordArr = [];

word = "";

for(var i = 0; i < str.length; i++){

if(str[i] == " " || str[i] == "\t" || str[i] == "\n"){

if(word.length){

wordArr.push(word);

word = "";

}

} else {

word += str[i];

}

}

if(word.length){

wordArr.push(word);

}

return wordArr;

}

console.log(stringToWordArray("Life is not a drill!"));