プログラミング言語比較

出力結果

2

プログラム例

JavaScript

let array = [1, 2, 3];
console.log(array.length);

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Perl

my @array = (1, 2, 3);
my $len = $#array+1;
print $len."\n";

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PHP

<?php
$array = [1, 2, 3];
print count($array)."\n";

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Python

array = [1, 2, 3]
print(str(len(array)))

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Ruby

array = [1, 2, 3]
print(array.length.to_s + "\n")

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