このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語)：
error was used before it was defined
対処
関連リンク
WHY JSLint complains: "someFunction() was used before it was ...stackoverflow.com/.../why-jslint-complains-somefuncti...
https://stackoverflow.com/questions/20786621/why-jslint-complains-somefunction-was-used-before-it-wa・・・
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