Gattyan2 https://blog.hatena.ne.jp/Gattyan2/ Gattyan https://gattyan2.hatenadiary.org/ 授業記録 JavaScript 配列演算 これだとあんまり配列使う意味がないかな? 演習 var a = new Array(5 , 12 , 18); var b = new Array(33 , 14 , 65); function calc1() { var sum = a[0] * b[0]; alert(sum); } function calc2() { var sum = a[1] * b[1]; alert(sum); } function calc3() { var sum = a[2] * b[2]; alert(sum); } 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgattyan2.hatenadiary.org%2Fentry%2F20111123%2Fp1" title=" - Gattyan" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/G/Gattyan2/20111123/20111123225026.png Hatena Blog https://hatena.blog 2011-11-23 00:00:00 rich https://gattyan2.hatenadiary.org/entry/20111123/p1 1.0 100%