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luijar/array-remove-head-side-effect.js

Created September 26, 2015 21:51
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Remove head
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array-remove-head-side-effect.js
// Remove the first element
var people = [
ana, luis, carlos, nestor, maria
];
function head(arr) {
return arr.shift();
}
head(people); // side effect (changed the content of the original array - people)
console.log(firstnames(people)); //-> ["LUIS", "CARLOS", "NESTOR", "MARIA"]
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