Contents
出力結果
January => 1 March => 3 December => 12
プログラム例
JavaScript
const example_array = {"January":1, "December":12, "March":3}; var keys=[]; for(var key in example_array) { keys.push(key); } keys.sort((a,b)=>{return example_array[a]-example_array[b];}); for(var key of keys) { console.log(key + " => " + example_array[key]); }
Perl
use strict; my $example_array = {'January' => 1, 'December' => 12, 'March' => 3 }; foreach my $key (sort {$example_array->{$a} <=> $example_array->{$b}} keys %{$example_array}) { print $key. " => " . $example_array->{$key} ."\n"; }
PHP
<?php $example_array = ['January' => 1, 'December' => 12, 'March' => 3]; asort($example_array); foreach ($example_array as $key => $value) { echo $key . " => " . $value . "\n"; }
Python
example_array = {"January":1, "December":12, "March":3 } tuples_sorted_by_key = sorted(example_array.items(), key=lambda x:x[1]) for key, value in tuples_sorted_by_key: print(key + " => " + str(value))
Ruby
example_array = {"January" => 1, "December" => 12, "March" => 3 } sorted_array = Hash[ example_array.sort_by{ |_, v| v } ] sorted_array.each { |tuple| print([tuple[0].to_s, tuple[1].to_s].join(" => ")+"\n") }