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javaScript async test

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自分用の備忘録

async function asyncTest(num) {
    console.log("asyncTestメソッド開始");
    if ( num === 1 ) {
        console.log("渡された引数は 1 だったぜ");
        return "1";
    } else {
        console.log("渡された引数は 1 じゃなかったぜ");
        throw new Error('エラーを返すぜ');
    }
}

asyncTest("s")
    .then( val => {
        console.log("メソッド成功したぜ")
        console.log(val);
    } )
    .catch( err => {
        console.log("メソッド失敗したぜ(エラーを受け取ったぜ)")
        console.log(err);
    });
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