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プログラミング初学者備忘録 javascriptのsplitでつまずいた

Posted at

##readlineで出力しようとしたらsplit is not a function.出てため息。

const lines = ['300 200 100']
const hairetu = lines.split(" ");

この書き方でsplit()使ったがエラー

const hairetu = (String(lines).split(" "));

で解決
##原因
ちゃんと型宣言してあげてなかったから起こったので気をつけます

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