CortYuming https://blog.hatena.ne.jp/CortYuming/ 牌語備忘録 -pygo https://cortyuming.hateblo.jp/ Javascript ES6 'use strict'; var family = [ {'name':'Namihei', 'age': 54}, {'name':'Masuo', 'age': 28}, {'name':'Katsuo', 'age': 11}, {'name':'Tarao', 'age': 3} ]; var family1 = family.filter(function(person) { return person.age < 30; }); var family2 = family.filter((person) => { return person.age < 20; }); va… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcortyuming.hateblo.jp%2Fentry%2F2016%2F01%2F11%2F134844" title=" Javascript で filter の書き方のメモ - 牌語備忘録 -pygo" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2016-01-11 13:48:44 rich https://cortyuming.hateblo.jp/entry/2016/01/11/134844 1.0 100%