問題 以下の配列から、空文字の要素を削除してください。 var a = ["", "123", "abc", "xyz", "", "987", "hoge", "", "fuga"] 答え 素直に1つずつ内容を見て、新しい配列に移していく var a = ["", "123", "abc", "xyz", "", "987", "hoge", "", "fuga"]; var x = []; for (var i = 0; i < a.length; ++i) { if (a[i] !== "") x.push(a[i]); } //alert(x); // -> 123,abc,xyz,987,hoge,fuga var a = ["", "123", "abc", "xyz", "", "987", "hoge", "", "fuga"]; var b, x = []; while
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