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setIntervalをaruguments.calleeを使わずに0秒でも発火させる

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元ネタ:setIntervalをaruguments.calleeを使って0秒でも発火させる - 終わる世界とコンテンツ

arguments.calleeはstrictモードでエラーになるので使うべきじゃありません。
即時関数にも名前を付けられるので、それを利用できます。

setInterval((function waf() {
    console.log('わふー');
    return waf;
}()), 2000);
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